—Who is the girl stanging over there? —Well if you know her name is Kate.A. mayB. canC. mu

问题补充：

—Who is the girl stanging over there?

—Well,if you know,her name is Kate.

A. may

B. can

C. must

D. need

答案：

A. may

B. can

(答案→)C. must

D. need

解析：句意：站在那边的女孩是谁?嗯,如果你必须知道,她的名字是凯特。May可能，可以；can能。会；must必须；need需要。根据情景可知该选C。