交通银行

单选题 __________in universities around the nation has more than tripled compared to this time last year.

A.Enroll
B.Enrolls
C.Enrolling
D.Enrollment

参考答案:D进入在线模考
全国大学的入学人数已经是去年同期的三倍多了。本题要求选择enroll的适当词形。故选D。