28. What does “their occupants” in the last paragraph refer to?
(A) People who occupy the land.
(B) People who grow plants there.
(C) Tour guides who work there.
(D) Animals which live in these areas.
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統計: A(57), B(98), C(95), D(155), E(0) #3157462
統計: A(57), B(98), C(95), D(155), E(0) #3157462