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.