15. Which sentence contains an unclear pronoun? A. Paul and Kelly left their dogs at the kennel, but then they worried that their dogs would be homesick. B. Amber bought her dad a Swiss watch because she had heard that they make the best watches. C. Although Rowan was an accomplished sculptor, his daughter never became interested in sculpting. D. After Archie crashed his bike into the fence, the bike and the fence both needed repairs.