Answer:
C
Explanation:
This argument makes you think about the welfare and future of the student, and schools are supposed to prepare you for the future. With this reasoning, there aren't too many counter-arguments to this.
Answer:
D
Explanation:
It's informal because they just described it by comparing it to something the reader would recognize. It doesn't sound formal and the dictionary generally defines things based on themselves, rather than using something else as a point of reference for a reader.
Answer: For vacation he is going to a beautiful beach in San Diego.
Explanation: