--The wall of your room doesn't look nice. ---I wish I it green.
A. shouldn't have painted
B. wouldn't painted
C. hadn;t painted
D. don't paint
网友回答
A. shouldn't have painted
B. wouldn't painted
(答案→)C. hadn;t painted
D. don't paint
解析：wish后面接从句用虚拟语气，这里表示与过去事实相反，所以选C。