— Oh my cat is really fat.— You have given her so much food.A. wouldn'tB. mustn'tC. coul

问题补充：

— Oh, my cat is really fat.

— You have given her so much food.

A. wouldn

B. mustn

C. couldn

D. shouldn

答案：

A. wouldn

B. mustn

C. couldn

(答案→)D. shouldn

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。