Which of these is an example of an idiom?

A.
It was an intense game. It was down to the wire.

B.
The game was pretty boring. My team did not do well at all.

C.
The opposing team was down six points, and then they made a touchdown.

D.
The wire on my old radio was broken, so I had trouble listening to the game.

A. It was an intense game. It was down to the wire.

An idiom is a figurative expression or phrase that has a meaning different from the literal interpretation of its individual words. To identify an example of an idiom, you need to look for a phrase or expression that does not make literal sense.

In the given options, the correct example of an idiom is option A: "It was an intense game. It was down to the wire." The phrase "down to the wire" is an idiom that means the situation is intense and reaching a critical point, usually in a competition or a race.

To identify idioms, it helps to have some awareness of common expressions that have figurative meanings. In this case, knowing the idiomatic expression "down to the wire" is essential.

Remember, idioms often rely on cultural or language-specific knowledge, so it is beneficial to familiarize yourself with common idiomatic expressions used in the language you are studying.