If a Human Cell Were to Increase the Amount of Cholesterol

If a human cell were to increase the amount of cholesterol embedded within its plasma membrane which of the following would most likely happen?

A) The cell would form a plaque that could potential block a blood vessel.
B) The plasma membrane would become more stable, less fluid and less permeable.
C) The plasma membrane would become more permeable to ions and less permeable to lipids.
D) The plasma membrane would become more fluid and the phospholipids less stable.