Jane under the pressure of work and she had to stay in hospital for a month.A. broke upB.

问题补充：

Jane under the pressure of work and she had to stay in hospital for a month.

A. broke up

B. broke down

C. broke out

D. broke away

答案：

A. broke up

(答案→)B. broke down

C. broke out

D. broke away

解析：动词短语辨析。A崩溃;分离;解散;B损坏；(健康等)垮掉，崩溃；C爆发；D突然离开；逃跑；句意：在工作的压力下Jane垮掉了，在医院里住了一个月。