when ( ) this book ( ) A.IS;come out B.did;come out C was;come out D was;came out

问题描述:

when ( ) this book ( ) A.IS;come out B.did;come out C was;come out D was;came out
when ( ) this book ( )
A.IS;come out B.did;come out C was;come out D was;came out

B
did come out