Please help it’s timed and i don’t have that much time left

I'm thinking D because b and c are saying the same thing basically and A is accurate but it doesn't go to well with the question good luck

littering streams           is the answer

lysosomes contain a variety of enzymes, enabling the cell to break down various biomolecules it engulfs, including peptides, nucleic acids, carbohydrates, and lipids (lysosomal lipase). the enzymes responsible for this hydrolysis require an acidic environment for optimal activity. hope i !