含水量较多的天然气在长距离输送过程中，常常发生下列问题The following problems often occur in the long distance transportation of natural gas with high moisture content：（）

A.水气与天然气的某些组分生成冰雪状的水合物，堵塞管道和仪表Some components of water and gas form icy hydrates that clog pipes and meters；#B.凝结水积聚在管道的低洼部分，降低管道的输气能力，增加动力消耗Condensate accumulates in low-lying parts of the pipeline, reducing the pipeline's gas capacity and increasing power consumption；#C.酸性气体，如H2S、CO2溶于水中，造成内壁腐蚀。Acidic gases, such as H2S and CO2, dissolve in water and cause inner wall corrosion.#D.以上都不对