1Georgeisoneofthebrighteststuden?
1 George is one of the brightest students who __f New York University. A is graduated B have graduated C has graduated D had graduated 解释一下.
B 到目前为止,因此用完成时 who引导的定语从句修饰的是 the brightestest students 为复数,所以选B 而不是C