Given the Three Reactions Shown Below, Pick the Best Answer

Multiple Choice

Given the three reactions shown below, pick the best answer.
I. K + O₂→KO₂
II. 2 K + 2 H₂O→2 KOH + H₂
III. 2 NaOH + H₂SO₄→Na₂SO₄ + 2 H₂O

A) I and III are correct, II is not
B) II and III are correct, I is not
C) only III is correct
D) I and II are correct, III is not
E) all three are correct