Answer:
The answer is option D. The retina is interrupted by the optic nerve.
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B IT WOULD BE ACCIDENTAL CAUSE SHE DIDNT MEAN TO CARRY THEM ON HER SHOES
Explanation:
Cell membranes are selectively permeable. Some solutes cross the membrane freely, some cross with assistance, and others do not cross at all. A few lipophilic substances move freely across the cell membrane by passive diffusion. ... Large molecules do not cross intact cell membranes, except in certain special cases.