He always forgets his plans his bad memory.A. becauseB. because ofC. soD. for

问题补充：

He always forgets his plans his bad memory.

A. because

B. because of

C. so

D. for

答案：

A. because

(答案→)B. because of

C. so

D. for

解析：句意：因为他糟糕的记忆力他总是忘记他的计划。because 因为，后跟状语从句；because of 后加名词或动词的-ing形式。C、D意思不对。