选择填空。

You ______ your clothes now. [ ]

A. had better to wash

B. had better wash　

C. had better washing

D. would better wash

苯妥英钠中毒所致心动过缓及传导阻滞采用哪个药物治疗

A．肾上腺素

B．异丙肾上腺素

C．阿托品

D．地西泮

E．纳洛酮