Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the co...Đoạn văn31/50Which of the following could be the main idea of the passage?Human activities are not the primary cause of species extinction.Myriad flora and fauna species may have become extinction recently.The negative effects of extinction crisis are increasing.Plants are more vulnerable than animals.Giải thíchChọn B