Fibrosis is a muscle injury that is caused by excessive scar tissue on the muscle.

Fibrosis happens when a scar tissue begins to form between weeks 2 and 3 after injury and increases or decreases with timing. Transforming growth factors (TGFs) are considered major stimulator during fibrosis formation [16, 17]. Once fibrosis occurs, a complete regeneration of muscle function is affected negatively.

Explanation:

the answer is d its the most logical and accurate out of them all : )