How do you find the central idea?

by asking the speaker to repeat all main ideas after he or she is done speaking
by identifying the topic, medium, and supporting sentences
by looking at notes kept by a peer who uses highlighting
by listening carefully to pauses the speaker uses when speakin

Read this excerpt from "the all-american slurp." i pulled the strings out of my stalk. z-z-zip, z-z-zip. my brother followed suit. z-z-zip, z-z-zip. to my left, my parents were taking care of their own stalks. z-z-zip, z-z-zip, z-z-zip. suddenly i realized that there was dead silence except for our zipping. looking up, i saw that the eyes of everyone in the room were on our family. mr. and mrs. gleason, their daughter meg, who was my friend, and their neighbors the badels—they were all staring at us as we busily pulled the strings of our celery. what story element does the author develop in this excerpt? a) lot details about the party b) characterization of the lins c) characterization of the gleasons d) setting details about the gleasons’ house