问题补充：
— Could I have an interview with Mr Green now, please?
— Sorry, he a meeting. You’d better wait a minute.
A. has
B. had
C. is having
D. was having
答案：
A. has
B. had
(答案→)C. is having
D. was having
解析：句意：我能对格林先生采访吗？对不起，他正在开会，你最好等一会。根据情景可知，正在发生，故用现在进行时，故选C。
