That was not the first time he_____ us.a.betrayed b.had betrayed c.has betrayed 说明原因 和

问题描述:

That was not the first time he_____ us.
a.betrayed b.had betrayed c.has betrayed
说明原因 和

c

选B,绝对没错,因为主句是that was.一定要注意,那是一个was,所以从句就要变成过去完成时态喽