The statement that best describes the purpose of transitional words is that they add more descriptive detail to the claim’s supporting evidence.
A transition words is also determined as connecting word. It is a word or phrase that makes an association between paragraphs or sections of a text or speech.
Transitions gain comprehensibility by performing it some expressed or conveying how ideas interact. Transitional words are used to offer extra descriptive information to the supporting evidence for a claim.
Therefore, option B is correct.
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