诊断缩窄性心包炎较可靠的X线征象是（）
A.心脏搏动减弱
B.心缘僵直，正常弧形消失
C.心包钙化
D.间质性肺水肿
E.上腔静脉影增宽
参考答案：C
As a film star she was a success,but as a wife she was failure,so their marriage ended in failure.
A．/;/
B．/;a
C．a;a
D．a;/
