Question

His father ________ the Party since 1978． [　　] A． joined B． has joined C． was in D． has been in

Answer 1

答案：D
解析：

现在完成时中，非延续性动词不能与for和since引导的表示一段时间的状语连用，通常是用相应的延续性动词来代替。故正确答案为D。