患者，男性，67岁。常有心绞痛、气促发作，心电图检查可出现电轴左偏和左心室肥大、劳损。入院诊断为主动脉瓣关闭不全。治疗原则正确的是（）

A.皮穿刺气囊导管扩张分离术

B.二尖瓣修复成形术

C.二尖瓣置换术

D.需尽早施行人工主动脉瓣膜替换术

E.抗心律失常治疗

The doctor is skilled at treating heart trouble and never accepts any gift from his patients, so he has a very good（）.

A. expectation

B. reputation

C. contribution

D. civilization