You Drive a Nail into a Tree That Is 10

You drive a nail into a tree that is 10 feet tall,so that 5 inches of the nail are showing.You come back 10 years later.The tree is now 30 feet tall and only 3 inches of the nail are showing.This is because the tree grows out from the

A) root tip.
B) node.
C) apical meristem.
D) intercalary meristem.
E) lateral meristem.