What Is the Concentration of H₃O⁺ and OH⁻ Ion in Pure

What is the concentration of H₃O⁺ and OH⁻ ion in pure water at 25 °C?​

A) ​1.8 × 10⁻⁷ M,3.2 × 10⁻⁷ M
B) ​2.0 × 10⁻⁷ M,4.0 × 10⁻⁷ M
C) ​3.0 × 10⁻⁷ M,2.0 × 10⁻⁷ M
D) ​2.0 × 10⁻⁷ M,1.5 × 10⁻⁷ M
E) ​1.0 × 10⁻⁷ M,1.0 × 10⁻⁷ M