試題詳解

42 If hunting can be stopped for good, it will be a rare chance for people to watch a natural experiment take place: monkeys reclaiming their ranges of old.
(A) People will have a precious opportunity to see a test outcome occur when hunting is not allowed forever, i.e., the monkeys regaining their previous territories.
(B) It will not be difficult for people to see monkeys playing and thriving in the old parks as a natural result of a protection policy: forbidding hunting for good reasons.
(C) A natural phenomenon in the mountain areas is that the more hunting is allowed the less likely it is for people to see monkeys approaching human beings for food.
(D) Breeding monkeys for a period of time will provide a regular opportunity for people to see an experimental result that monkeys build their new homes everywhere in the park.