I feel it a great honor _________ to give a speech to you．

I feel it a great honor _________ to give a speech to you．

A.invited

B.to invite

C.having invited

D.to have been invited

答案及解析： D

解析：

句意：我觉得受到邀请给你们讲话是一件很荣幸的事。to have been invited是真正的宾语，要用被动形式。