【名词&注释】
《金匮要略》(synopsis of the golden chamber)、增液承气汤(fluidincreasing decoction for purgation)
[单选题]正常成人心率在正常范围时,P-R间期为
A. 0.08~0.11s B. 0.08~0.20s C. 0.12~0.16s D. 0.12~0.20s E. 0.16~0.24s