患者男，75岁。风湿性心脏瓣膜病21年。因心悸6天就诊。查体：自动体位，BP150/70mmHg，心率109次／分，心律绝对不齐，心音强弱不等。心电图示：心房颤动。

为控制该患者的心室率不宜首选（）

A.地高辛

B.美托洛尔

C.维拉帕米

D.硫氮酮

E.普罗帕酮

TV-Turnoff Week, _______ millions of people around the world participate every year, tries to

encourage people to turn on life. [ ]

A. in which

B. on which

C. which

D. when