Question

---I called you yesterday evening, but there was no answer.
　　　　  ----- Oh, I’m sorry. I _____ dinner at a restaurant at that time.

A．have

B．had

C．was having

D．have had

Answer 1

C

考查時態。句意：昨天晚上我給你打電話，但是沒人接。噢，很抱歉，我當時正在飯館吃飯。根據題中的時間狀語at that time 時過去進行時的語法標志之一，所以選C。