Which statement best describes the excluded values of a rational expression?A.The number of excluded values of a rational expression cannot exceed the degree of the numerator.B.The number of excluded values of a rational expression cannot exceed the degree of the denominator.C.The number of excluded values of a rational expression cannot exceed the sum of the degrees of the numerator and denominator.D.The number of excluded values of a rational expression cannot exceed the difference in the degrees of the numerator and denominator.