B. Ascertained.
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The answer to the question is the third choice. The statement that best summarizes Thomas Jefferson’s opinion of Wheatley is "<span>He believed that although she wrote poetry, the inferior quality of the poetry proved the inferiority of the African race." I hope this helps you.</span>
The correct answer is <span>D. The rain began to fall, but we did not want to leave.
Both "the rain began to fall" and "we did not want to leave" are two independent clauses connected with a conjunction "but"</span>