I say that pollution in this area is no longer a problem?-Well,this is---- I differ with you?

题目

I say that pollution in this area is no longer a problem?-Well,this is---- I differ with you?
A what Bwhere Cwhat Dhow

答案

B. where

-- 我说这个区域的污染已经不成问题了.
-- 嗯,这是我与你意见不同的地方 （意思是这人认为那里的污染还是严重）