--I have you asked John to come to the party this evening？

--Yes，I have，but he＿＿＿＿

A．doesn't

B．hasn't

C．hadn't

D．won't

关于肾动脉狭窄支架置入术的禁忌证，下述错误的是（）

A.非顺应性病变

B.PTA后残留狭窄大于30%

C.PTA后血管损伤

D.肾小动脉狭窄

E.弥漫性肾血管病变