问题

Only when something gets lost _____________.
A:can you realize how important it is to you
B:how important you can realize it is to you
C:you can realize how important it is to you
D:can you realize how important is it to you
B:how important you can realize it is to you
C:you can realize how important it is to you
D:can you realize how important is it to you
正确答案是: