What Is the Ratio of A/B Where a , B

What is the ratio of A/B where A , B , C , and D represent the coefficients of the balanced equation?
A H₂SO₄ + B NaOH→C H₂O + D Na₂SO₄

A) 1/1
B) 1/2
C) 2/1
D) 1/3
E) none of these