I think B. I hope this helps.
Answer:
Cells are the basic units of structure and make up tissues.
Hope it helps :)
What following ? actually the cell will gain more water by diffusion and will let more sodium chloride ions in because they will move from high concentration to low concentration
found that animals are composed of cells is Theodor Schwann
found that plants are composed of cells is Matthias Schleiden
looked at cork through a compound microscope is Robert Hooke
declared that all living cells can only come from other living cells called living cells "animalcules" is Rudolph Virchow