So a tripod position is when someone is sitting and leaning over, either with both hands on their knees or their elbow on one knee while the other hand is on the hip. They do this because they cant breathe
So the answer is A
A driver with impaired judgment or a driver that is subject to fatigue will be unable to focus and will be a risk to themselves and other drivers upon the road. In this case it would be sensible for the driver to pull-over at the next service station, get some fresh air, have something to eat and a caffeinated drink.