7975. He has travelled all over the continent by hitchhiking most of the time.

✅ The correct answer is option D.
Flying : moving or able to move through the air with wings.

Driving : (of rain or snow) blown by the wind with great force.

Working : having paid employment.

Lift : a free ride in another person’s vehicle.

Hitchhiking : travel by getting free lifts in passing vehicles.

Synonym of Hitchhiking is Lift