A Uniform Electric Field Has the Strength of

A uniform electric field has the strength of
What is the electric energy density of this field? (ε₀ = 8.85 × 10^-12 C²/N ∙ m²)

A) 2.2 × 10^-10 J/m³
B) 3.1 × 10^-11 J/m³
C) 2.8 × 10¹² J/m³
D) 5.5 × 10¹² J/m³