The new stadium being built for the next Asian Games will be ______ the present one. [ ]

A. as three times big as                

B. three times as big as

C. as big as three times                

D. as big three times as

心肌梗死急性期患者，一旦出现室性期前收缩，应首选（）

A.普萘洛尔

B.维拉帕米

C.利多卡因

D.地西泮（安定）

E.苯妥英钠