The doctor advised Joyce strongly that she should take a holiday but didnt help.A. heB

问题补充：

The doctor advised Joyce strongly that she should take a holiday, but didn help.

A. he

B. She

C. It

D. which

答案：

A. he

B. She

(答案→)C. It

D. which

解析：考查代词的用法。it代指前面一句话。因句中有but连接，故不选D项。