Women Often Have a More Difficult Time Losing Fat in General

Women often have a more difficult time losing fat in general, and from the hips and thighs in particular. What best describes this rationale? ​

A) Women have increased amounts of ghrelin in their bodies.
B) A woman's liver produces greater amounts of glycogen than a man's liver.
C) When women lose weight, their fat cells do not shrink in size.
D) The release of lower body fat is less active in women.