虚拟语气的一道题,高手进.

问题描述:

虚拟语气的一道题,高手进.
11. Tom is very short now. His mother wishes that he ____ be tall when he grows up.
A. couldB. shouldC. wouldD. were able to
选C肯定对,但A对不对啊.、?
(wish用法wish+did/were had done wouldcouldmight+动词原形)

强调了“愿望”,所以选C更好些.A在语法上也不能算错.