Select the most appropriate meaning of the underlined idiom in the sentence.

All those who carried the day in reality shows failed to make a mark later.

won a victory

The most appropriate meaning of the underlined idiom in the sentence is >won a victory.<

The idiom "carry the day" means to win a victory or to be successful. In the sentence, the author is saying that all of the contestants who won reality shows failed to achieve lasting fame or success after the show ended.

The other options are not correct.

• Acted as hosts: This does not mean to win a victory.
• Made a guest appearance: This does not mean to win a victory.
• Participated: This does not mean to win a victory.