How many times has the college been?A. added toB. addedC. added upD. adding to

问题补充：

How many times has the college been?

A. added to

B. added

C. added up

D. adding to

答案：

(答案→)A. added to

B. added

C. added up

D. adding to

解析：可联系答.案.网客服索取。