if the authors purpose in "How to Prepare for a road trip" is to inform students about how to prepare for a road trip, what is most likely her secondary purpose?
A. To persuade her readers that travel can be a rewarding experience.
B. To persuade parents to give their students money for a road trip.
C. To persuade students to avoid getting a job as long as possible.
D. To inquire about how many students would be interested in traveling across the country.