问题
选择题
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
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。