What does the idiom 'Cry wolf' mean?

Correct option is D

Option (d) is the correct meaning of the given idiom.
Given Idiom: ‘Cry wolf’ — Meaning: To raise a false alarm repeatedly; to warn of danger when there is none, so that people stop believing you. (झूठा खतरा बताना/बार-बार झूठी चेतावनी देना).
Example: After he kept crying wolf about fake emergencies, no one believed him when a real problem occurred.
Other related idioms and their meanings:
· A storm in a teacup: A big fuss over something trivial.
· Much ado about nothing: A lot of commotion for no real reason.
· The boy who cried wolf: A reference to the fable; someone whose repeated lies cost him credibility.
· False alarm: An alarm or warning that turns out to be untrue.