31. ① Scientists have found their bones in many places, from Asia to North America.
② Present-day elephants have also survived in different environments, including very dry areas
in Niger, grasslands in East Africa, and forests in West Africa.
③ Because of their great size and strength, elephants have always fascinated humans.
④ Elephants and their ancestors have been living on this planet for 5 million years.
⑤ Our fascination has almost caused African elephants to become extinct because of illegal
hunting.
(A) ④ ① ② ③ ⑤ (B) ② ③ ① ④ ⑤ (C) ③ ① ⑤ ④ ② (D) ⑤ ④ ① ③ ②
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