—May I speak to the headmaster?—Hea meeting now. Can I take a message?A. is havingB. hadC.

问题补充：

—May I speak to the headmaster?

—Hea meeting now. Can I take a message?

A. is having

B. had

C. has

D. will have

答案：

(答案→)A. is having

B. had

C. has

D. will have

解析：句意:我可以找校长接电话吗?——他正在开会。我能给他捎个信吗？结合语境可知下文描述的是现在正在进行的动作，故用现在进行时态，选A。