Which of the Following Aqueous Solutions Is(are) Considered Acidic

Multiple Choice

Which of the following aqueous solutions is(are) considered acidic ?
I. A solution with [OH ^- ] = 2.5×10 ^{- 8}
II. A solution with [H₃O⁺] = 1×10 ^{- 7}
III. A solution with a pOH = 8

A) I only
B) II only
C) III only
D) I and II
E) I and III