Which neurotransmitter is responsible for the voluntary movement of muscles in your arm? see section 43.3 ( page 909) ?

The neurotransmitter that is responsible for the voluntary movement of muscles in the arm is ACETYLCHOLINE.
Acetylcholine is the neurotransmitter that act at neuromuscular junctions, that is, it is released by the nervous system to activate muscle movement. Muscular contraction is usually initiated by the release of acetylcholine by the nervous system.

Cand d are correct because the rest are just showing your mistakes and you don’t want people who are reading a summary you wrote to see all the mistakes you made.

No that answer is wrong. you have written the function of mitochondria in chloroplast and function of chloroplast in mitochondria.