— Oh, my cat is really fat.
— You have given her so much food.
A. wouldn't
B. mustn't
C. couldn't
D. shouldn't
网友回答
A. wouldn't
B. mustn't
C. couldn't
(答案→)D. shouldn't
解析：本题考查情态动词。句意：——我的猫真的太胖了。 ——你不应该给她那么多的食物。此处表示和过去事实相反的情况，应该用shouldn’t + have + 过去分词，意为本来不应该做，而实际做了。