I think the answer is C, I hope this helps!! (can you mark me brainliest if this helped)
<u><em>In most cases, it takes from 6 to 8 weeks for a stress fracture to heal. More serious stress fractures can take longer. Although it can be hard to be sidelined with an injury, returning to activity too soon can put you at risk for larger, harder-to-heal stress fractures and an even longer down time.</em></u>
I think the correct answer from the choices listed above is the first option. If you want to improve your muscular strength, then the best plan would be to make low resistance with high reps. Hope this answers the question.
Are you stressed about something, or keep thinking about something over and over? This may be the caz cuz I had this happen to me too. I am also here for you if you wanna talk!