The idiom "went the extra mile'' means to do more than what is expected or required to achieve something.
Step 1: Analyze options
- (A) Exceeded expectations and put in additional effort: correct idiomatic meaning.
- (B) Traveled a long distance: literal meaning, incorrect.
- (C) Completed task within limit: opposite of extra effort.
- (D) Reached destination before others: unrelated meaning.
Thus, option (A) is correct.