Why Do Saturated Fats Have Higher Melting Points Than Unsaturated

Multiple Choice

Why do saturated fats have higher melting points than unsaturated fats?

A) Saturated fats stack better than unsaturated fats and therefore have more dispersion forces between them.
B) Saturated fats stack better than unsaturated fats and therefore have fewer dispersion forces between them.
C) Unsaturated fats stack better than saturated fats and therefore have more dispersion forces between them.
D) Unsaturated fats stack better than saturated fats and therefore have fewer dispersion forces between them.
E) Actually, saturated fats have lower melting points than unsaturated fats.