单项选择题

白细胞分类计数,中性粒细胞(包括杆状核及分叶核)正常应占

A.(5~10)×109/L,0.5%~1%
B.(3~9)×109/L,3%~8%
C.(4~10)×109/L,50%~75%
D.(8~15)×109/L,20%~40%
E.(2~8)×109/L,70%~85%