单项选择题
YoutooktheDATA1tablespaceofflineat10：00A.M.At12：30P.M.，aschemaofauserisdroppedandpurgedfromtheRecycleBin.Younoticedthisat2：00P.M.anddecidedtoperformanincompleterecovery.Whichdatafileswillyourecover？（）
A.allthedatafilesinthedatabase
B.thedatafilesassociatedwiththeSYSTEMtablespace
C.thedatafilesassociatedwiththeDATA1tablespace
D.allthedatafilesinthedatabaseexceptthoseassociatedwiththeDATA1tablespace