Which One A-D Is Not Related to the Water Autoionization $\times$

Which one A-D is not related to the water autoionization constant, K_w?

A) [H₃O⁺] [OH^-]
B) 1.0 $\times$ 10^-14 at 25 ^$\circ$ C
C) 2 H₂O H₃O⁺ + OH^-
D) pH = 7 at 25 ^$\circ$ C
E) A-D are all related to K_w.