The doctor’s dilemma was he should tell the patient the truth.
A. whether
B. which
C. that
D. what
网友回答
(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。