Answer:
These sentences already have correct pronouns. But they do have some other issues with word choice, structure, and punctuation.
Explanation:
The answer is: [A]: Idiom.
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The phrase: "castles in the air" is an idiom.
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Explanation: "Castles in the air", literally speaking, are impossible to exist or be created.
So, when used as an idiomatic phrase, it refers to events that cannot, or likely will not, be possible to achieve.
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A. Concrete
Janice Mirikitani uses concrete language to convey the universal theme of the suffering of war in “Attack the Water.
