When a user, Belinda Lim, signs in to Windows, she cannot see her Documents folder in Explorer, and some of her Windows user settings are lost. You suspect her user profile is corrupted. Which tool or method should you use first to investigate and$/$or solve the problem? a$.$ Use the sfc command. b$.$ Use the chkdsk command. c$.$ Check the C:$\backslash$Users$\backslash$Belinda Lim$\backslash$Documents folder. d$.$ Check the C:$\backslash$User$\backslash$Belinda Lim$\backslash$Documents folder.