_____ of danger in the street at night, she had to go home, with a friend _____ her. [ ]

A. Warned, followed

B. Warning, following

C. Warning, followed

D. Warned, following

男，13岁，胸痛胸闷2月余，胸部检查如图，最可能的诊断为()

A．心力衰竭并右侧胸腔积液

B．纵隔占位

C．先天性心脏病，房间隔缺损

D．先天性心脏病，动脉导管未闭

E．右侧胸腔大量积液