Consider a box that is placed on different surfaces. In which situation(s) is there no friction force acting on the box? ( )

A、 The box is at rest on a rough horizontal surface.

B、The box is at rest on a rough tilted surface.

C、The box is on the rough-surfaced flat bed of a truck—the truck is moving at a constant velocity on a straight but tilted road, and the box remains in the same place in the middle of the truck bed.
D、The box is on the rough-surfaced flat bed of a truck—the truck is speeding up on a straight, level road, and the box remains in the same place in the middle of the truck bed.