男，34岁，心前区反复疼痛及呼吸困难3年，血压150/30mmHg，心脏呈靴形增大。体检时不可能存在的是（）。

A.胸骨右缘第2肋间扪及收缩期震颤

B.肱动脉枪击音

C.毛细血管搏动

D.心尖区闻及舒张期杂音

E.水冲脉

Was it through Li Ning, ________working at a high school, ________you got to know Wangke?

A．who I think it was; who

B．that I think were; which

C．who I think was; that

D．I think who was; which