I need some help with my science test. I don't really understand it. You don't need to explain it or anything. I just need an answer. I'm giving brainless

Which of the following best matches a part of a living cell with the function it performs?

A. Cytoplasm: green structure inside plant cells
B. Nucleus: green structure inside plant cells
C. Cytoplasm: directs all of the cell's activities
D. Nucleus: directs all of the cell's activities