—Did you catch what I said? —Sorry. I a text message just now.A. had answeringB. have ans

问题补充：

—Did you catch what I said?

—Sorry. I a text message just now.

A. had answering

B. have answered

C. would answer

D. was answering

答案：

A. had answering

B. have answered

C. would answer

(答案→)D. was answering

解析：考查时态。我刚才正在发短信，意味着你说话时，我正在发短信，故我没有听清你的话。所以用过去完成时。