Which of these BEST expresses the main idea of a speech arguing that students should carpool to school?

Responses
A Many students who don't have their licenses ride the bus to school.Many students who don't have their licenses ride the bus to school.
B Most students are excited to drive to school once they receive their licenses.Most students are excited to drive to school once they receive their licenses.
C Students enjoy talking to and catching up with friends before classes.Students enjoy talking to and catching up with friends before classes.
D Carpooling is a fun and efficient way to get students to school.

D Carpooling is a fun and efficient way to get students to school.