成人英语三级考试

【单选题】I was giving a talk to a large group of people, the same talk I ______ to half a dozen other groups.


A．was giving
B．am giving
C．had given
D．have given

网考网参考答案：C
网考网解析：
过去完成时把时间推移到过去某一时间之前，与现在不发生联系，表示一个动作或状态在过去某一时间或动作之前已经发生或完成。had given to half a dozen other groups发生在was giving a talk to a large group of people之前。 查看试题解析出处>>