Which code segment should you add at line UA09?

You need to set the appropriate permission levels.
A variable named customRole references Wholesale.
Which code segment should you add at line UA09?
A. customRole.BasePermissions = _permissions | SPBasePermissions.ViewFormPages;
B. customRole.BasePermissions = _permissions | SPBasePermissions.ViewPages;
C. customRole.BasePermissions = SPBasePermissions.EmptyMask | SPBasePermissions.ViewPages;
D. customRole.BasePermissions = SPBasePermissions.ViewPages;