If you have a temporary illness that may affect your ability to drive, you should:

A. Determine your own fitness for driving
B. Drive in the right lane of the roadway
C. Obtain a restricted drivers license
D. Only drive when you're heavily medicated

Respuesta :

A.determine your own fitness for driving.

Giving a self evaluation on the current physical and mental state of the person would be a good start.

For example:
can they see everything infront of them? 
are they hands shaking when trying to use them?