Some Regions of the Plasma Membrane, Called Lipid Rafts, Have

Some regions of the plasma membrane, called lipid rafts, have a higher concentration of cholesterol molecules. At high temperatures, these regions

A) are more fluid than the surrounding membrane.
B) are less fluid than the surrounding membrane.
C) are able to flip from inside to outside.
D) detach from the plasma membrane and clog arteries.
E) have higher rates of lateral diffusion of lipids and proteins into and out of these regions.