Witch of the following describes why consuming large amounts of vitamin a is more dangerous than consuming large amounts of vitamin c

The correct answer for this one is this: "C. Unused vitamin A is stored in the fat cells of the body; therefore, it builds up over time." Consuming large amounts of vitamin A is more dangerous than consuming large amounts of vitamin C because unused vitamin A is stored in the fat cells of the body; therefore, it builds up over time.

Can you explain it well?