How should the tractor be coupled to the semi-trailer?

1. ABy pushing the semi-trailer forward up to the tractor.
2. BBy reversing while the tractor is at a diagonal angle or any other convenient angle.
3. CBy reversing at an angle not exceeding 15 degrees.
4. DThe tractor driver will reverse while the tractor and the semi-trailer are in a straight line.

Pick an answer to test yourself