The mitochondrion is a membrane-bound organelle that provides energy by ATP synthesis (oxidative phosphorylation)
The lysosome contains about 40 hydrolytic enzymes that help with cellular digestion.
The Golgi apparatus plays an important role in the excretion and packaging of vesicles.
It's probably C. Because it makes the most sense and photosynthesis doesn't make ATP and if you don't think C. Is the answer then put D.
Secondary succession happens more often because it occurs after some kind of distribution that still leaves the soil intact (mudslide,bulldozing,shoveling,or scraping off an area)