问题
选择题
______ on more clothes, you would not have caught the bad cold.
A．If you put
B．Had you put
C．were you to put
D．should you put
答案
答案：B
考查虚拟语气。If引导的条件句常用虚拟语气，常把had/should/were提到句首，把if省略。句意“如果你早点多穿些衣服的话，你就不会得重感冒了。”根据 would not have caught可知，是对过去的虚拟，从句用过去完成时，C项是对将来的虚拟。故选B。