Fresh unprocessed cow's milk is a__________because_______,

a.solution;milk fat is completely dissolve in the water

b.mix of immiscible liquids;fatty cream separates on top of the milk

c.suspension;milk fat eventually settles at the bottom of the container

d.colloid;it stays homogeneous and consistent even after days in the refrigerator.

pls need help pick one only of the letter​