再灌注心律失常包括下列哪些（）

A.三度房室传导阻滞

B.心动过缓

C.窦性心动过速

D.加速的室性自主心律

E.室颤

You ____ be hungry yet; you had a big cake only an hour ago.

[ ]

A. may not

B. mustn't

C. can't

D. needn't