英语一句看不懂的句子

问题描述:

英语一句看不懂的句子
You may take a horse to the water,but you ___make him drink.
A mustn't B needn't C can't D oughtn't
take a horse to 有这个词组吗?

C
你可以让一匹马到水边,但是你不能勉强他喝水.