2岁以上儿童膳食中蛋白质、脂肪和糖类化合物所供给能量各占总能量的比例为（）
A.12%~15%,35%~50%,50~60%(正确答案)
B.15%~20%,30~45%,65%
C.10%~20%,8%~15%,60%~75%
D.10%~30%,20%~25%,40%~45%
E.35%,10%~15%,45%~50%
2岁以上儿童膳食中蛋白质、脂肪和糖类化合物所供给能量各占总能量的比例为（）
A.12%~15%,35%~50%,50~60%(正确答案)
B.15%~20%,30~45%,65%
C.10%~20%,8%~15%,60%~75%
D.10%~30%,20%~25%,40%~45%
E.35%,10%~15%,45%~50%