Question

People who eat a balanced diet should be healthier than those who only eat biscuits and hamburgers,              ______?

A．don’t they

B．do they

C．shouldn’t they

D．should they

Answer 1

C

解析试题分析：句意：吃平衡饮食的人应该比那些只吃饼干和汉堡包更健康。分析：who eat a balanced diet 吃平衡饮食的人。为定语成份，句中真正的助动词是should,因此进行反意疑问句时要用其否定形式，故选C
考点：考查反意疑问句。