A. When a moving car accelerates on a horizontal road, the friction force is in the forward direction as the torque generated on the rear wheel tries the part in contact with the road to slide backward.

B. When the car is moving in the forward direction, it tries to push the front wheel in the forward direction, and as a reaction the road applies a friction force in the backward direction.

C. Since, the car is moving in forward direction, the rear wheels have to apply more force of friction than the back wheel as the rear wheels has to push the whole mass of the car in forward direction