When 147 ML of Aqueous HBr (A Strong Acid) Was Added

When 14.7 mL of aqueous HBr (a strong acid) was added to water, 0.482 L of a solution with a pH of 4.23 was produced. What was the molarity of the original HBr solution?

A) 1.9 * 10¯³ M
B) 140 M
C) 0.288 M
D) 0.13 M
E) None of these choices is correct.