The answer is "B) Insulated rubber boots".
Much the same as security glasses, you ought to wear safety shoes at whatever point you are working in the car condition. Beyond securing your toes, you have to inspect your footwear for its electrical qualities. Keep in mind that, you are doing all that you can to make yourself an insulator. Check to make sure your shoes have rubber soles that keep you from turning into a path to ground in case of any unfortunate incident.
