we think of Ben, we have to admit that he is a highly petent man.
A. However
B. Whether
C. Whichever
D. Whatever
网友回答
A. However
B. Whether
C. Whichever
(答案→)D. Whatever
解析：考查让步状语从句：句意：无论我们认为本是一个什么样的人，我们得承认他很能干。认为…怎样？what do you think of，这里的whatever相当于no matter what， whether是“是否 的意思，whichever是”无论哪个“的意思 however是无论怎样的意思，选D。