Ausercannotaccessfileson\/deps\/itdirectory，theadministratorverifiespermissionsaresetrw——-forthedirectory.Whichofthefollowingactionsneedtobeperformedtoonlygrantreadaccesstothe userontheITdirectory？（）
A.Setfolderpermissionsto760.
B.Setfolderpermissionsto770.
C.Setfolderpermissionstomodify.
D.Setfolderpermissionstofullcontrol.
参考答案：A
