posted by nicole .
How does the author support her view that the lunch period at Mountain Vista High School should be extended?
A. by explaining that many students are unable to eat lunch in the time left after waiting in long lines
B. by citing research showing that students who don’t eat lunch or who eat quickly cannot concentrate on their studies
C. by observing that many students are skipping lunch because they are not happy with the lunchroom staff's efficiency
D. by submitting a petition with signatures of 1,000 students and parents who share the writer's opinion