-What about your journey to Mount Hua?

-Everything was wonderful except that the car we rented________on the way back.[ ]

A．broke up

B．broke down

C．broke out

D．broke in

在MV能量区，能量越高，射野影像系统获得的射野图像（）

A.越清晰

B.质量越高

C.不受影响

D.对比度越低

E.对比度越高