【单选题】

中度营养不良患儿热量和蛋白质供给开始应为
A．热量40kcal/(kg·，蛋白质2g/(kg·

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