The doctor’s dilemma was he should tell the patient the truth.A. whetherB. whichC. thatD.

问题补充：

The doctor’s dilemma was he should tell the patient the truth.

A. whether

B. which

C. that

D. what

答案：

(答案→)A. whether

B. which

C. that

D. what

解析：句意为：医生的难处就是他是否应该把真像告诉病人。表语从句不缺成份，而which, what表语从句中必须做主语或者宾语，由此可排除B，D两个选项，而C没有疑问的意思故排除C。whether 是否，符合题意。