He fatter but he eats too little.A. would becomeB. would have becomeC. must becomeD. must

网友回答

(答案→)A. would bee
B. would have bee
C. must bee
D. must have bee
解析：
根据语意知道我们可以在but he eats too little前加上一个省去的条件状语从句if he ate much，由此可知是与现在时相反所以主句用would bee。