You cold if you had put on more clothes the day before yesterday. A. won’t catchB. wouldn

问题补充：

You cold if you had put on more clothes the day before yesterday.

A. won’t catch

B. wouldn’t have caught

C. hadn’t caught

D. haven’t caught

答案：

A. won’t catch

(答案→)B. wouldn’t have caught

C. hadn’t caught

D. haven’t caught

解析：考查虚拟语气。本题是条件句中，与过去事实相反的虚拟语气，主句中使用“情态动词+have done”的形式。句意：如果你前天就穿更多的衣服，你就不会感冒了。故B正确。