I first met John at my sister’s wedding. He with the bridegroom at the time.
A. talked
B. had talked
C. had been talking
D. was talking
网友回答
A. talked
B. had talked
C. had been talking
(答案→)D. was talking
解析：考查时态。句意：—我第一次是在我的姐姐的婚礼上遇见John的，在那时他正在和新郎在聊天。本题的关键词是at that time在那时，并根据句意说明本句描述的是过去某个时间正在进行，正在发生的事情，所以使用过去进行时的时态。故D正确。