This is very very easy its oubvously A.you are pain free
By checking your pulse and seeing if you heart rate is in the target heart rate zone.
In a diabetic patient, the high level of blood glucose can damage the nerve causing neuropathy. The diabetic patient might get dry skin because the neuropathy happens in the autonomic nervous system that was regulating the skin glands excretion.
Other things that can cause dryness would be soaking your skin in warm water.
Your immune system will fight off the bacteria .... maybe anti-biotics
