The correct option is A The use of exaggeration
Satire is a literary device that uses humor, exaggeration, irony or ridicule to criticize people's stupidity and vices From this, we can conclude that it is necessary for satire to reveal the flaws of society and help eliminate vices from the world and do all this through making fun of a person, a way of thinking or a system. However satire can achieve all this through the use of either exaggeration or irony or humor. So, the answer to the given question is option A.