Anadministratorcreateda.envfileinauser’shomedirectorytoconfigureanumberofcustomenvironmentvariablesforalocalapplication.However，aftertheuserlogsoutandthenlogsbackintothesystem，thecustomvariablesarenotbeingsetWhatisthemostlikelyreasonthatthecustom.envfileisbeingignored？（）
A.Ashellotherthankshisbeingusedbytheuser.
B.Theline’exportENV=$HOME/.env’ismissingfrom/etc/profile.
C.Theline’exportENV=$HOME/.env’ismissingfromtheuser’s.profile.
D.Theenv_profileattributeisnotdefinedfortheuserwithin/etc/security/user.