—Shall I begin the lecture?—I’m afraid we have to wait for a while. John is coming with a

问题补充：

—Shall I begin the lecture?

—I’m afraid we have to wait for a while. John is coming with a microphone.

— . I can do without the microphone.

A. I’m sorry

B. Excuse me

C. I beg your pardon

D. Never mind

答案：

A. I’m sorry

B. Excuse me

C. I beg your pardon

(答案→)D. Never mind

解析：根据空后“I can do without the microphone”可知，此处表“没关系”之意。