Select the most appropriate meaning of the underlined idiom.
Everybody was surprised to see that he fell flat even after arduous efforts.
- AWin a difficult race
- BSucceed without hassles
- CFall from a height
- DFail to win applause
Solution & Step-by-step Explanation
The idiom 'fall flat' means to fail completely to produce the intended or desired effect, or to fail to win applause, entertainment, or approval from an audience. Thus, option D is the correct meaning.