【正确答案】
A
【答案解析】To compare the quantities, multiply the fractions by the whole numbers in each quantity. The quantity [*] of 19 is [*], or [*], which is greater than 1 because the numerator is larger than the denominator. The quantity [*] of 13 is [*], or [*], which is less than 1 because the denominator is greater than the numerator. Therefore, Quantity A (>1) is greater than Quantity B (<1).