Man: Do you think Mary would translate this paragraph for me Woman: I haven't seen her today. Question: What does the woman imply about Mary

A．Her translations are good.

B．She isn't around today.

C．She can't see very well.

D．It would take her two days to do it.

女性，30岁，患风湿病二尖瓣狭窄合并关闭不全，心悸、气短、下肢浮肿。每日口服地高辛0.25mg，双亲克脲噻25mg，1个月后感恶心、呕吐、心电图示：心率68次/分，窦性心率，室性期前收缩二联律。治疗应是（）

A.改用毒毛花苷K

B.停地高辛，给氯化钾

C.停地高辛，给呋塞米

D.增加地高辛用量

E.电复律