单项选择题

A.热量40kcal/(kg.D.,蛋白质2g/(kg.D.
B.热量60kcal/(kg.D.,蛋白质2g/(kg.D.
C.热量80kcal/(kg.D.,蛋白质2g/(kg.D.
D.热量100kcal/(kg.D.,蛋白质4g/(kg.D.
E.热量120kcal/(kg.D.,蛋白质3g/(kg.D.