The correct answer is C. Irony
Step-by-step explanation:
Sarcasm refers to the use of cutting expressions or language that mean the opposite of the words that are used or do not have a literal meaning. Sarcasm is mainly used with the purpose of insulting or hurting others by conveying indirect sharp messages. This is often classified as a type of irony because in irony the language or words used to do not have a literal meaning which also occurs in sarcasm; however, different from regular irony sarcasm is sharp and has a negative connotation. According to this, sarcasm is a type of Irony.