You Can Feel That There Are Two Rods Touching Your

You can feel that there are two rods touching your cheeks, but have difficulty feeling two rods if you are touched with them on your calves. This is because

A) touch receptors are more densely packed in your calves.
B) touch receptors are more densely packed in your cheeks.
C) more of the sensory cortex is devoted to the perception of sensation on the face.
D) Both b and c.