16.She had thought of opening the door to ) he was,someone she had known a long time.
问题描述：
16.She had thought of opening the door to ) he was,someone she had known a long time.
(A) Whichever
(B) Whatever
(C) However
(D) Whoever
答
因为上面提到的是人,所以用D
意思是：无论是谁.