I first met John at my sister’s wedding. He with the bridegroom at the time.A. was talkin

问题补充：

I first met John at my sister’s wedding. He with the bridegroom at the time.

A. was talking

B. talked

C. had talked

D. had been talking

答案：

(答案→)A. was talking

B. talked

C. had talked

D. had been talking

解析：“at the time”是指“I first met John at my sisters wedding”的时候，提示“他当时正在……”，故用过去进行时。句意：我是在我妹妹的婚礼上第一次遇到约翰的。他当时正在和新郎交谈。