The doctor advised Elsa strongly that she should have a rest but didn’t help.A. sheB. it

问题补充：

The doctor advised Elsa strongly that she should have a rest, but didn’t help.

A. she

B. it

C. which

D. be

答案：

A. she

(答案→)B. it

C. which

D. be

解析：but连接俩个句子，排除C，本空指代前面医生所说的话不起作用it代替，所以选B。