【题目】—I wonder why he has been acting so strangely these days.
—Recent pressure at work may his behavior.
A. account for B. call for
C. change for D. stand for
在线课程【答案】A
【解析】考查动词词组。句意：——我想知道他为何最近表现得这么奇怪。——最近的工作压力可以解释他的这一行为。account for 解释，说明；call for 需要，要求；change for 替换，更换；stand for代表。