关于英语宾语从句一题求助-Couldyoudomeafavor?-Sure.Wouldyoupleasetellme___now?A.howcanIusethetelephoneB.whereisthewashingroomc.whichisthemostpopularbookd.ifistheshopclosed为什么C选项中主谓的位置不

　　关于英语宾语从句一题求助

　　-Couldyoudomeafavor?

　　-Sure.Wouldyoupleasetellme___now?

　　A.howcanIusethetelephone

　　B.whereisthewashingroom

　　c.whichisthemostpopularbook

　　d.ifistheshopclosed

　　为什么C选项中主谓的位置不用调换,is可以放在最后吗?

　　然后D选项是什么句式?