John has got a bad fever these days and he says he doesn’t want to see a doctor but I’m

问题补充：

John has got a bad fever these days, and he says he doesn’t want to see a doctor, but I’m afraid he has no.

A. extra

B. alternative

C. treatment

D. possibility

答案：

A. extra

(答案→)B. alternative

C. treatment

D. possibility

解析：此处alternative用作名词, 意思为 “选择；供选择的办法；选择的余地”，符合题意。