36.Please read the following notice.
Pay exact fare when boarding the bus. Drivers cannot make change.
Upon boarding the bus, move toward the rear of the bus. Stand in the passage area, not in the doorways or beside the driver.
Allow senior citizens and disabled riders to use the priority seating area at the front of the bus. What does this notice discuss?
(A) Problems of the bus service
(B) Business concerns
(C) Bus routes and fares
(D) Etiquette rules for bus riders