Check ( √ ) the sentence that best describes the main idea of Reading One.
A. The New York subway has plenty of rules, but police officers need to work harder to enforce them.
B. People have lots of ideas about how to make the New York subway more pleasant to ride, but I think that we all need to just remember our manners.
C. Elderly passengers often have to stand up on the New York subway. All passengers need to work to enforce the etiquette rules about this.
D. New York has many etiquette rules, such as Don’t make eye contact and Don’t talk with people you don’t know.