Question

---What were you doing at this time last night? --- I _________ a phone call. A．made B．will.

---What were you doing at this time last night? --- I _________ a phone call. A．made B．will make C．has made D．was making

Answer 1

D

考察时态。联系上文，昨天这个时候你正在做什么？可知下文描述的是过去某时正在进行的动作，故用过去进行时态，选D。