单选题
编号：4286075
1.Whichistrueonthesubarachnoidspaceinthevertebralcanal
- A.liesbetweenduramatterandarachnoid
- B.uptosubarachnoidspaceintheskullbytheforamenmagnum
- C.downthetheheightofthefifthsacralvertebral
- D.terminalcisternisformedbythespacebelowthesecondsacralvertebral
- E.thefluidinitcancommunicatewiththatinthecentercanalofspinalcorddirectly