The word “upheavals” in paragraph 3 is closest in meaning to _______. A. upward displacements B. upward disruptions C. downward changes D. downward problemsĐoạn văn38/50The word “upheavals” in paragraph 3 is closest in meaning to _______.upward displacementsupward disruptionsdownward changesdownward problemsGiải thíchChọn B