---I wonder why he has been acting so strangely these days.---Recent pressure at work may

问题补充：

---I wonder why he has been acting so strangely these days.

---Recent pressure at work may his behavior.

A. account for

B. make for

C. change for

D. stand for

答案：

(答案→)A. account for

B. make for

C. change for

D. stand for

解析：考查词组：A．account for组成，是…的原因，B. make for前往，有助于，C. change for交换，D. stand for代表，句意：--我想知道他为什么最近这么奇怪。--最近工作的压力可能是他的行为的原因。选A。