He’ businesslike and is often _______. I hope he will have more ______ at his business.

A success; successful            B successful; success   

C successfully; successful       D successful; successful

输精管复通术后影响妊娠的因素不包括（）

A.精浆抗精子抗体的产生

B.附睾和睾丸的改变

C.交感神经末梢损伤

D.输精管结扎时间的长短

E.配偶的生育力