问题详情
我国成人膳食中蛋白质、脂肪和碳水化合物供能占总能量摄入的最佳百分比分别是
A.20%~30%,10%~14%,60%~70%
B.10%~15%,20%~30%,55%~70%
C.12%~14%,17%~25%,60 %~70%
D.10%~14%,20%~30%,55%~65%
E.13%~15%,20%~30%,50%~70%
请帮忙给出正确答案和分析,谢谢!