问题
选择题
—What happened to the young trees we planted last week?
—The trees ____ well, but I didn’t water them.
A．might grow
B．needn’t have grown
C．would have grown
D．would grow
答案
答案：C
本题考查虚拟语气。would have done表示对过去已发生的事情的推测，表示“可能……”，故最佳答案是C项。