Answer: The details in a sentence or paragraph that can help you find the meaning of an unfamiliar word are B. context clues.
Explanation:<u> Context clues are words or phrases that function as hints as they help readers to infer the meaning of a word or phrase that is part of the same sentence or paragraph, but that is unknown. </u>These hints may be found before the unknown word or after it. Moreover, there are different types of context clues: definition clues, synonym clues, antonym clues, general context clues and punctuation.