My little brother works hard and hopes to go to _____ university

现在悬赏不一定是以后我给的带解答好的加分急急急
选项：
A.a B. An C.the D.不填

我觉得是“the” （ps:如果是不定冠词的话，也应该是“an ”)

114.My little brother is __ to go to school. A.old enough B.enough old C.too old 选那个? A. enough修饰形慎嫌棚容词一定者孙要放在形容词后面宽则。