How Many Moles of Ammonia Can Be Made by Reacting

How many moles of ammonia can be made by reacting 7.0 mol of N₂ with 4.0 mol of H₂?
N₂(g) + 3H₂(g) → 2NH₃(g)

A) 2.7 mol
B) 4.0 mol
C) 7.0 mol
D) 11 mol
E) 14 mol