Which statement describes values of x and y such that x/y could be an irrational number?
A. The value of x is zero, and the value of y is an integer less than zero.
B. The value of x is the square root of an integer, and the value of y is an integer greater than zero.
C. The value of x is an integer less than zero, and the value of y is an integer greater than zero.
D. The value of x is a square root that can be simplified to an integer, and the value of y is an integer less than zero.