Which sentence demonstrates correct punctuation? A. Kaylie told Martza that she needed: to wash the dishes, and finish vacuuming the den. B. While babysitting for the Andersons, Chris wrote a paper and she finished her book. C. Dakhim wrote to the librarian; he wanted to express his appreciation for her hard work. D. Vladimir and Nadya traveled to Siberia on January, 1 to visit their aunt, and uncle.