Dirk Andrewi,Tony were named as assistant professors, Believe it nor not,        three of them were of        age．

A．／：all

B．／：the

C．the；all

D．the ;the

关于慢性肾功能衰竭时的心律失常，下列哪项是错误的（）

A.可因高钾血症引起

B.可因低钾血症引起

C.可有窦性静止、窦房传导阻滞、室性自搏心律

D.可因高钙血症引起

E.可有室性期前收缩、室性心动过速、心室颤动