What is the best definition of the term satire

A. Using humor and weight to reveal the strength of someone or something.
B. Using sarcasm or irony, to expose the faults of someone or
C. Using creative writing an art to expose the false of someone or something.
D. Using research and evaluation to expose the faults of someone or something.

B. Using sarcasm or irony, to expose the faults of someone or something.