a.their ideas are in conflict with a common cultural value.
Satires are often used for authors to poke fun at or illustrate the ridiculousness they feel is in society. By using satire, authors are indirectly attacking what people regard as respected cultural values without directly going up against society. While satirical writers may also have the qualities of B and C, these are not true of all satirical writers and not why they choose to write satires. Option D is just wrong.
