You Are Asked to Balance the Chemical Equation H₂ $\rightarrow$ H₂O $\rightarrow$

You are asked to balance the chemical equation H₂ + O₂ $\rightarrow$ H₂O. How many of the following ways are correct ways to balance this equation? I. 2H₂ + O₂ $\rightarrow$ 2H₂O
II) H₂ + O₂ $\rightarrow$ H₂O
III) 4H₂ + 2O₂ $\rightarrow$ 4H₂O
IV) H₂ + O₂ $\rightarrow$ H₂O₂

A) 0
B) 1
C) 2
D) 3
E) 4