下列哪种情况洋地黄剂量宜偏小（）
A.肺心病，心衰
B.房扑
C.风心病，二尖瓣狭窄，右心衰
D.房颤
E.风心病，主动脉瓣关闭不全，左心衰
参考答案：A
Every time she was in trouble, she went to him for help, as he said he _____ do anything for her.
A．should
B．must
C．would
D．might
切削平面
