The PH of a Solution at 25°C in Which [OH^-] $\times$

Multiple Choice

The pH of a solution at 25°C in which [OH^-] = 3.9 $\times$ 10^-5 M is ___.(K_w = 1.01 $\times$ 10^-14)

A) 4.41
B) 3.90
C) 9.59
D) 4.80
E) none of these