The thesis is the most appropriate place in the essay for the above sentence. This is because the statement is making a claim. Usually, this is placed in the introductory paragraph. (Option A)
<h3>What is a claim?</h3>
A claim is a definitive statement made concerning an idea, indicating that the writer, author, or orator is taking a position regarding an argument or subject.
Hence, when starting a claim, it should come at the beginning of the text or presentation or in the thesis.
Learn more about claims at:
brainly.com/question/2748145
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It should be letter B because 'brightens many' describes the murals.