I believe it’s B. Change state of matter.
B , an oxidizing agent is a substance that has the potential to cause another substance to be oxidized
The answer is B because:
Cell walls are made of cellulose and proteins (hence II).
Animal cells don't have cell walls (only cell membrane) but plant cells do so IV
They must be semipermeable since materials for example carbon dioxide and water for photosynthesis have to go into the cell <em>some</em> way.
