The man is a serious nervous breakdown because he is unable to deal with pressure from da

The man is a serious nervous breakdown because he is unable to deal with pressure from daily life.
A. in front of
B. in favor of
C. on behalf of
D. on the edge of

A. in front ofB. in favor ofC. on behalf of (答案→)D. on the edge of解析：词义辨析。A在…前面；B支持；C代表；D在…边缘；句意：这个人处于崩溃的边缘，因为他不能处理日常工作的压力。根据句意说明D正确。

我明天再问问老师，叫他解释下这个问题