Answer :
B) subjects and verb
Sentence structure deals with how the phrases/clauses of a sentence are presented.
To make a complete sense, a sentence must consist of a subject and a verb. Other elements of language may or may not be in the sentence depending on its function.
Therefore, sentence structure focuses primarily on the subject and verb elements.
We can then conclude that Sentence structure relate to how many subjects and verb phrases are in a sentence.
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