—Hello may I speak to Mr Green please?—Sorry. Hea meeting. Can you call him later?A. has

问题补充：

—Hello, may I speak to Mr Green, please?

—Sorry. Hea meeting. Can you call him later?

A. has

B. is having

C. will have

D. had

答案：

A. has

(答案→)B. is having

C. will have

D. had

解析：句意：你好，我想找一下格林先生？对不起，他正在开会，你可以等会给他电话。根据句意，表示他正在开会，所以用现在进行时，故选B