12. In which of the following examples will water move into the cells of the large intestine from the outside environment by the process of osmosis?
A. when the concentration is 80% on both sides of the membrane
B. when there is 70% water inside the cells and 80% water outside the cells

C. when there is 80% water inside the cells and 60% water outside the cells

D. when there is 90% water inside the cells and 80% water outside the cell