Select the most appropriate meaning of the following idiom.
The acid test
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. A fact, event or situation that proves something.
The meaning of the given idiom is-
The acid test- a way of testing if something is successful, true or good enough.
As the meaning of the given idiom is the same as the chosen option it will be correct.