Select the most appropriate meaning of the given idiom.
To leave no stone unturned
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3. i.e. To do everything possible to achieve something.
The most appropriate meaning of the idiom "to leave no stone unturned" is: "To do everything possible to achieve something."
This idiom means to make every possible effort or explore all possibilities in order to accomplish a goal. It does not refer to winning everything, controlling someone, or treating something as unimportant.