If your job requires you to drive 40 minutes away from your house, then it could be a routine decision. If you have a usual route then you DON'T have to decide on how to get home.
I think that the answer is D. Dieting because dieting helps your body eat more things that are good for it and, less things that are bad for it. It can make your skin clearer, and help you feel good overall which is a physical health help trait.
