The Figure Below Contains a Pedigree for Cystic Fibrosis, an Autosomal

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.