单项选择题

A1/A2型题 卧床、无发热或异常消耗的成年男性患者每天最低热卡需求是()

A.15~20kcal/(kg·D.
B.25~30kcal/(kg·D.
C.30~50kcal/(kg·D.
D.50~60kcal/(kg·D.
E.100kcal/(kg·D.