Answer: A) Size of the muscle cells, ability to store fuel, and blood supply to the muscle
Step-by-step explanation: the term muscular endurance refers to the ability of a muscle or a group of muscle, to contract against a resistance over a extended period of time. The factors that affect the most the muscular endurance are, the size of the muscle cells, which affects the strength, the blood supply that helps with the muscle durability and the ability to store fuel, that is very important to have the energy to do the work.