Writers use coordination to do all of the following except
a) combine short and choppy sentences
b) emphasize main ideas
c) provide clarity for the reader
d) create parallel structure

D) create parallel structure

The coordination in the textual structure aims to bring together two or more sentences, which have independent meaning, so that the sum of them helps to construct a more precise and adequate information for the purpose of the author.

Thus, when the author creates a parallel structure, it means he or she wants to have two paths with distinct purposes and senses, that is, there will be no coordination between the two parallel structures. This is the opposite of what textual coordination proposes, which is the combination of phrases to emphasize ideas in order to provide the reader with more clarity in just one structure.

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explanation:

2warhrdtjjyt42q3wt

since it is asking for her reaction to elnora's trouble at school you can rule out any answers with a positive response (b). then you can rule out (d), this is because it does not show the mother's reaction but the daughter's response. that leaves you with two options (a) and (c), by looking at the options you can rule out (c) because it isn't referring back to elnora's issues at school.