旅客在乘机期间受到的人身伤害，航空公司应当负赔偿责任的有( )。

A．因为劫机事件导致旅客受伤

B．因为飞机颠簸导致旅客摔伤

C．旅客在飞行途中突发心脏病死亡

D．飞机故障导致旅客受伤

E．飞行中行李脱落砸伤旅客

He ______ his bike so he has to walk there. [ ]

A. lost

B. has lost

C. had lost

D. loses