Concept:The correct opposite must match the meaning of the underlined word and fit the gap naturally.Explanation:The underlined word is vehemently, which means forcefully, passionately, or intensely.Its direct opposite is feebly, meaning weakly or without strength.None of the other options — constantly, roughly, or hurriedly — gives the opposite meaning of “vehemently.”Therefore, the word that most nearly contrasts with “vehemently” and correctly fills the gap is feebly.Answer:B. feebly