It is B the use of caesura
When we say chronological order, this is the type of organization wherein events are arranged according to the time they happened. Therefore, this would be useful to the writer in order to make the readers understand any happenings that occurred previously. The answer would be the second option.
<u><em>Hello There!</em></u>
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<u><em>Let's first define what a prepositional phrase is. A prepositional phrase is a bunch of words and these words include a preposition and an object of the pronoun.</em></u>
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<u><em>In this case, the answer would be "D" because 'under' is a preposition so the prepositional phrase would be 'under bridges'</em></u>