Read this sentence. It contains a comma splice. My mom got lights for our patio, they look so pretty at night. Which of the following makes this sentence correct? a. My mom got lights, for our patio, they look so pretty at night. b. My mom got lights for our patio. They look so pretty at night. c. My mom got lights for our patio and they look so pretty at night. d. My mom got lights for our patio, they look, so pretty at night.