The exposition can also be called introduction, it establishes the setting, presents the characters and gives any other background information needed for the development of the story. So, the correct answer is the last one: Exposition develops social issues by introducing conflicts and settings.
Answer:
So far what I know about Zebra is he's a runner. In the first paragraph, it states how they started to call him Zebra before or after he started running. It also looks like Zebra enjoys zebras. In the third and fourth paragraphs, it states how he went to see zebras in the zoo and in a movie. That's most likely how he fell in love with zebras. That's what we know about Zebra judging from the 4 given paragraphs.
A. He avenges Caesar and commits sui**** by running into his own sword. This is what happens to Brutus at the end of Julius Caesar.
The answer is the measure of sound