—Jim is very sick these days. He coughs so badly.—In my opinion he really listen to the

问题补充：

—Jim is very sick these days. He coughs so badly.

—In my opinion, he really listen to the doctor and cut down on smoking.

A. should

B. can

C. may

D. need

答案：

(答案→)A. should

B. can

C. may

D. need

解析：A 考察情态动词。句义：Jim最近很虚弱，他咳嗽得厉害。我觉得他应该停医生的建议，少抽烟。Should意为“应该”；can意为能；may也许；need需要。根据语境说明A正确。