Choose the idiom/phrase that can substitute the highlighted group of words meaningfully.
She is listening with full attention whenever there is a mention of her favourite hero.

Correct option is D

The idiom "all ears" means listening with full attention.
Meaning: Fully focused and eager to listen.
Example: The students were all ears during the teacher’s explanation.
Meanings of other options:
· Beat around the bush: To avoid the main point.
· Run out of steam: To lose energy or motivation.
· Break a leg: A phrase used to wish someone good luck.