单项选择题

清晨起床前安静、空腹时测每分钟脉率和血压,计算基础代谢率(BMR)其公式为()

A.BMR=脉率+收缩压-111
B.BMR=脉率+脉压
C.BMR=脉率+舒张压-111
D.BMR=脉率+收缩压
E.BMR=脉率+脉压-111