It is he not you right.A. who areB. who isC. which isD. that are

问题补充：

It is he, not you, right.

A. who are

B. who is

C. which is

D. that are

答案：

A. who are

(答案→)B. who is

C. which is

D. that are

解析：先行词是he，是单数而不是复数。