Im not entirely sure about this but I would guess A
Protein- you need protein in your diet to help your body repair cells and make new ones.
Carbohydrates are your body's main source of energy: They help fuel your brain, kidneys, heart muscles, and central nervous system.
You need water to digest your food and get rid of waste.
<h2>Hello!</h2>
The answer is: b. PRE (Progressive Resistance Exercise).
<h2>
Why?</h2>
PRE is a strength training to gain muscular strength, muscular size and lose weight. By doing PRE, you increase progressively or gradually the overload amount applied to the muscles, the body adapts due to the progressive increase of overload amounts getting more physical resistance.
Have a nice day!
Attention to detail, thorough understanding of medical processes, ability to analyze large amounts of information.