— Why didn't you buy the gold ring?  

— I ______ but I didn't have the money.[ ]

A. would have  

B. bought  

C. would like to  

D. had bought

如果起落架收放手柄电磁锁故障，如何操作手柄？

A、用力克服电磁锁的力

B、按下手柄旁边的超控按钮

C、无法操作手柄