单选题
Doctors are often caught in a ______ because they have to decide whether they should tell their patients the truth or not.
【正确答案】
C
【答案解析】本题测试词义辨析。puzzle 意为“智力测验，谜，难题”；perplexity 意为“困惑，令人费解的事物”；dilemma 意为“进退两难的困境，窘境”；bewilderment 意为“困惑，慌张”。本句大意为：医生常常对是否要告诉病人病情真相感到为难。