问题补充：
—Did you go swimming last Sunday?
—No. We would have gone nicer.
A. if the weather was
B. would the weather have been
C. had the weather been
D. should the weather be
答案：
A. if the weather was
B. would the weather have been
(答案→)C. had the weather been
D. should the weather be
解析：考查虚拟语气。根据语境可知考查与过去事实相反的虚拟语气，故从句用had + v-ed，had the weather been = if the weather had been，故选C。
