材料：The Salvor shall immediately after the termination of the services or sooner notify t

材料：

The Salvor shall immediately after the termination of the services or sooner notify the Council and where practicable the Owners of the amount for which he demands security（inclusive of costs expenses and interest）from each of the respective Owners．Where the exception to the principle of no cure-no pay under Convention Article 14 becomes likely to be applicable the owners of the vessel shall on the demand of the Salvor provide security for the Salvor&39;s special compensation．The amount of any such security shall be reasonable in the light of the knowledge available to the Salvor at the time when the demand is made．

Unless otherwise agreed such security shall be provided（i）to the Council（ii）in a form. approved by the Council and（iii）by persons firms or corporations either acceptable to the Salvor or resident in China and acceptable to the Council．The Council shall not be responsible for the sufficiency（whether in amount or otherwise）of any security which shall be provided nor for the default or insolvency of any person firm or corporation providing the same．The owners of the vessel their Servants and Agents shall use their best endeavours to ensure that the cargo owners provide their proportion of security before the cargo is released.

Until security has been provided as aforesaid the Salvor shall have a maritime lien on the property salved for his remuneration．

问题：

The amount of security provided by owners shall be _______．

A.as small as practicable to ensure not to affect the normal business of the owners

B.sufficient to cover all costs expenses and interest the salvor had sustained in the process of or in connection with the savage operations

C.actual costs expenses and interest incurred to the salvor calculable immediately after the termination of the services

D.reasonable in the light of the knowledge available to the Salvor at the time when the demand is made

Where the principle of no cure-no pay is likely not to be applicable the owners of the vessel _______．A.is exempted from providing any security for the Salvor's special compensation

B.shall not provide any security for the Salvor's special compensation unless otherwise provided in the salvage contract

C.shall not provide any security for the Salvor's special compensation even the Salvor so demands

D.shall on the demand of the Salvor provide security for the Salvor's special compensation

The Council to which the security has been provided shall _______．A.be responsible for its sufficiency（whether in amount or otherwise）

B.be responsible for the default or insolvency of any person firm or corporation providing the same

C.be responsible for its sufficiency（whether in amount or otherwise）but not for the default or insolvency of any person firm or corporation providing the same

D.be responsible neither for its sufficiency（whether in amount or otherwise）nor for the default or insolvency of any person firm or corporation providing the same

请帮忙给出每个问题的正确答案和分析，谢谢！