【名词&注释】
肺结核(pulmonary tuberculosis)、血脑屏障(blood-brain barrier)、肾功能(renal function)、基础能量消耗(basal energy expenditure)、能量需要量(energy requirement)、病患者(disease)、一般情况下(in general case)、总能量消耗(total energy expenditure)
[单选题]基础能量消耗约占全天总能量消耗(total energy expenditure)的
A. 20%~30%
B. 30%~40%
C. 40%~50%
D. 60%~70%
E. 80%~90%