He has been acting strangely these days. I can’t his actions at all.A. account forB. ask f

问题补充：

He has been acting strangely these days. I can’t his actions at all.

A. account for

B. ask for

C. call for

D. stand for

答案：

(答案→)A. account for

B. ask for

C. call for

D. stand for

解析：考查短语辨析。account for 做出解释，ask for 询问，call for 要求，stand for代表，句意：他这些天一直表现很奇怪的，我根本不能解释他的行为。故选A。