---- Are we going sightseeing next week?

---- No. The plan ________ at the second meeting.

A．had cancelled

B．was cancelled

C．has been cancelled

D．would cancel

洋地黄中毒者，下列何种措施是错误的（）。

A.立即停用洋地黄

B.停用排钾利尿剂

C.静脉给予葡萄糖酸钙

D.补充钾盐

E.心律失常可应用苯妥英钠