WhichofthefollowingisMOSTlikelycausinganintermittentflashingLEDonanIRreceiverwhentheremotecontrolisnotbeingused?()

A.Thepowersupplyisfaultyandshouldbereplaced.

B.Theheatfromaheating，ventilation，andairconditioning（HVAC）registerisbeingreceivedasinfrarednoise.

C.Theradiofrequencyinterference（RFI）isbeingreceivedasnoise.

D.Aplasmadisplayisemittinginfrarednoise.