—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
网友回答
A. had answering
B. have answered
C. would answer
(答案→)D. was answering
解析：本题考查动词时态。句意为：“你听懂我所说的了吗？”“对不起。我刚刚在回短信。”根据句意及时间状语just now可知，回短信的动作正好是发生在问话人说话的那一时间点，即表示过去某一时间点正在发生的动作，故选过去进行时态D。