—What did he say just now?

—He asked me______________.

A．when my sister came back

B．when did my sister come back

C．when my sister will come back

D．when my sister comes back

男性，48岁，心慌气短、双下肢水肿1年余。体格检查可见心脏向两侧扩大，心尖区可闻及奔马律，心肌核素检查可见舒张末期和收缩末期左心室容积增大，左心室射血分数降低，且核素心肌显像显示左心室壁呈灶性散在性放射性减低区。最可能的诊断是（）

A.心包积液

B.病毒性心肌炎

C.扩张型心肌病

D.风湿性心脏病

E.冠状动脉粥样硬化性心脏病