ABOOKMARKISSOMETHINGPUTBETWEENTHEPAGESOFABOOKTOMARKTHEPLACE.DOYOUOFTENHAVETODOSO?A:ITB:ONEC:THATD:THIS

问题：ABOOKMARKISSOMETHINGPUTBETWEENTHEPAGESOFABOOKTOMARKTHEPLACE.DOYOUOFTENHAVETODOSO?A:ITB:ONEC:THATD:THIS

答案：↓↓↓

吕德祥的回答：

网友采纳　　B:ONE是对的.　　one指代前文提到的abookmark.　　【俊狼猎英】为您解答.请尽快采纳.