Why Do Your Nose, Ears, Fingers and Toes Get Cold

Why do your nose, ears, fingers and toes get cold first when you are in a cold environment?

A) They're the farthest from the body's heat sources.
B) They stick out the most into the cold environment.
C) These areas can't shiver .
D) There is the least amount of blood circulation in these areas.
E) The body directs blood flow in toward the core of the body to maintain core temperature.