For the Reaction, 2 SO₃(g) $\rightarrow$ 2 SO₂(g) + O₂(g), the Following Thermodynamic Data Are Available

For the reaction, 2 SO₃(g) $\rightarrow$ 2 SO₂(g) + O₂(g) , the following thermodynamic data are available.

What is the equilibrium constant for this reaction at 25 ° C?

A) between 10^-50 and 10^-30
B) between 10^-30 and 10^-20
C) roughly 1
D) between 10²⁰ and 10³⁰
E) between 10³⁰ and 10⁵⁰