The doctor advised Tom strongly that he should take a good rest but didn’t help.A. sheB.

问题补充：

The doctor advised Tom strongly that he should take a good rest, but didn’t help.

A. she

B. it

C. which

D. he

答案：

A. she

(答案→)B. it

C. which

D. he

解析：考查句子分子。But连接的是两个分居，故不是定语从句，排除C。it可以指代一件事。句意“医生强烈建议汤姆好好休息一下，但这没有用。”故选B。