Often a Person with a Fever Will Feel Cold, Have

Often a person with a fever will feel cold, have chills, and may actually start shivering. Which statement explains this phenomenon?

A) Pyrogens released by white blood cells decrease core temperature leading to hypothermia.
B) Pathogens that are causing the fever absorb heat and decrease the core temperature.
C) The body temperature falls below room temperature so the person suddenly feels cold.
D) Fever stimulates the release of acetylcholine which causes contraction in muscle.
E) The thermoregulatory center increases the set point for core temperature.