<span>The basis of American society has always been the individual and political rights and ideals of freedom and equality.</span>
Answer:
The phrase "fell flat" means failed, or unsuccessful. So by saying "I never fell flat" you are meaning I never failed.
Explanation:
Sentence provides commentary information for elaboration of a concrete detail.
D) It was a good idea to wear short sleeves and a light jacket that could be taken off easily in the afternoon.
The concrete detail:
short sleeves and a light jacket
The commentary information for elaboration of the concrete detail:
that could be taken off easily in the afternoon.
