Best answer is
A) I met Cathy at a store on a street near the bridge.
Although every option features concrete language, this can be considered the most concrete sentence. Concrete language, the opposite of abstract language, features little to no ambiguity in meaning, and is specific in its description. The less imagination you need to fully interpret the sentence, the more concrete it is.
A. would be the one that would best fit it, because the definition of defiance is open resistance, or bold disobedience. Asking someone to stop isn't open resistance, so A would fit this.
The author utilizes guide portrayal to depict what Millicent looks like. There had been a quiet, a slight crunching sound, and afterward, she had felt the icy, foul egg-white smoothing and spreading on her head and sliding down her neck. She had heard somebody covering a giggle.