Answer :
When an event occurs, but another outcome is expected than what occurred, this is known as irony.
What is irony?
Irony is something different, expected but happened something different. There are different types of irony, situational, verbal, or dramatic irony.
An example is A child runs away from someone throwing a mud at him and falls into the garden full of mud.
Thus, the correct option is D, Irony.
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