Select the most appropriate meaning of the given idiom.
Last resort

Correct option is A

The correct meaning of the given idiom is "The only choice that remains after all others have been tried."
Explanation:
· Last resort refers to the final option available when everything else has failed (Hindi: "अंतिम उपाय").
Example:
· When negotiations failed, they used military action as a last resort.
Incorrect Options:
· (b) The only choice that looks easy – Incorrect meaning.
· (c) The only choice that also fails – Incorrect; it does not imply failure.
· (d) Few choices that differ – Incorrect.