【单选题】以下对红细胞数量的描述中,哪一项正确 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
.正常成人女性血液中含 (3.5 ~ 4.5)X 10 12 / m L prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace> B .正常成人女性血液中含 (4.0 — 5.0)X10 12 /L C .正常成人男性血液中含 (4.0 ~ 5.0)X 10 12 /L D .正常成人男性血液中含 (3.5- 4.5)X 10 12 /L E .幼年血液中红细胞的含量较低 C
B.
.正常成人女性血液中含 (4.0 — 5.0)X10 12 /L prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
C.
.正常成人男性血液中含 (4.0 ~ 5.0)X 10 12 /L prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
D.
.正常成人男性血液中含 (3.5- 4.5)X 10 12 /L prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
E.
.幼年血液中红细胞的含量较低 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>