499.Which of the following is NOT a correct behavior for a motorcycle driverpassing through an intersection without traffic signals?
(A) Slow down whenapproaching an intersection without traffic signals.
(B) When arrivingsimultaneously at an intersection without traffic signals, vehicles on the mainroad have priority.
(C) When arriving simultaneously at an intersection withouttraffic signals, if both vehicles are going straight, the vehicle on the right yieldsto the vehicle on the left.