The figure below contains a pedigree for cystic fibrosis, an autosomal recessive disorder. Which of the following is true?

A)At least two of the members of Generation I are carriers of cystic fibrosis.
B)None of the members of Generation II is a carrier of cystic fibrosis.
C)Individual 2 in Generation II has cystic fibrosis.
D)The cystic fibrosis gene is found on a sex chromosome.