D and A seem like good answers. Usually when you hang out with friends they can take your mind off of things but usually going shopping can help too. does it have more than one answer? if it does then D and A seem like good answers if not then D should be the answer
I believe the correct answer would be "different systems".
Hope it helps!
Answer:
protein boosts muscle growth and helps rebuild muscles that may have been injured/torn
1. C
2. A
3. C
4. B
I think lol
