On a Very Cold Day, a Child Puts His Tongue

Multiple Choice

On a very cold day, a child puts his tongue against a fence post.It is much more likely that his tongue will stick to a steel post than to a wooden post.This is because:

A) steel has a higher specific heat
B) steel is a better radiator of heat
C) steel has a higher specific gravity
D) steel is a better heat conductor
E) steel is a highly magnetic material