以下哪项可不必写入LCA研究报告 Which of the following need not to be included in the report of a LCA study
A.研究目的和范围 The goal and scope of the LCA study
B.研究方法 The methodology used in the LCA study
C.产品设计方法 The method used in product design
D.环境影响结果 The results of environmental impacts