Each of These Factors Contributes to the Rationale for Including

Each of these factors contributes to the rationale for including tongue brushing or cleansing in oral care routines except one.Which one is this exception?

A) Bacteria on the tongue may be translocated to other regions of the mouth.
B) Bacteria on the tongue contribute to oral malodor.
C) Bacteria on the tongue diminish overall oral cleanliness.
D) Bacteria on the tongue can cause geographic tongue.