精子计数正常值和致孕的低限分别是( )

A、(50~100)×10[img=~\/QImg\/2013-06-26-17-11-54\/image005.gif]\/L
B、20×10[img=~\/QImg\/2013-06-26-17-11-54\/image005.gif]\/L
C、(100~300) ×10[img=~\/QImg\/2013-06-26-17-11-54\/image005.gif]\/L
D、40×10[img=~\/QImg\/2013-06-26-17-11-54\/image005.gif]\/L
E、(80~120) ×10[img=~\/QImg\/2013-06-26-17-11-54\/image005.gif]\/L