What Are the Required Coefficients to Properly Balance the Following $\frac{1}{2}$

What are the required coefficients to properly balance the following chemical reaction? H₂(g) + Cl₂(g) → HCl(g)

A) 1,1,2
B) 2,2, $\frac{1}{2}$
C) 1,1,1
D) 2,1,2
E) 1,2,1