i think its D but i'm not 100% sure
C would be the best choice
Dark occur in the stroma, and do not use light energy
The activity of some enzymes requires vitamins. This is because vitamin derivatives contribute to the biochemical mechanisms of these enzymes. These vitamin derivatives belong to a class of molecules known as cofactors, which are organic molecules (called coenzymes) or metallic ions, that assist in the catalytic activity of an enzyme.
All cells have a plasma membrane, ribosomes,cytoplasm, and DNA