Determine which of the following arguments are valid. Enter your answer(s) by using the capital letter that represents each option and separate multiple answers with commas. A: Everyone in Miss Easy's class was exempt from the exam. Kathy is in Miss Easy's class, so she was exempt from the exam. B: Everyone in my class likes chocolate. Jeffrey is my classmate, so he likes chocolate. C: All custodians live on campus. Nathan lives on campus, so he is a custodian. D: Everyone who has a driver's license was required to take a driving test. I took a driving test, so I have a driver's license.