---Would you please repeat the grammar rules again?

　 ---Of course, but I am sure that you _______ to me carefully, as I have told you twice already.

A．don’t listen

B．wouldn’t listen

C．weren’t listening

D．aren’t listening

有关主动脉窦瘤的手术治疗错误的是（）

A.手术需在体外循环下完成

B.急性破裂者，积极控制心衰，尽早手术

C.合并主动脉瓣关闭不全者应行主动脉瓣替换术

D.合并室间隔缺损者应该一并缝合修补

E.主动脉窦瘤没有破裂也应手术治疗