The child with rheumatic fever must have his heart rate measured while awake and while sleeping. Why are two readings necessary

A. To obtain a heart rate that isn’t affected by medication.
B. To eliminate interference from the jerky movements of chorea.
C. To ensure that the child can’t consciously raise or lower the heart rate.
D. To compensate for the effects of activity on the heart rat

肌肤甲错，眼眶晦暗，多属

A．先天不足

B．后天失养

C．脏腑精气衰败

D．内有干

E．肾精亏损