47 According to the passage, the natives in the tropical forest __________.
(A)made a treaty with the government to sell the birds for export
(B)have a written contract with traders to capture unusual birds
(C)are forced by the traders to hunt and sell the birds on the market
(D)do not have any other known source of making an income

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統計： A(32), B(59), C(139), D(243), E(0) #240283

吳蕊蕙

B1 · 2012/08/02

#436692

(A) 作出一項條約與政府出售供出口 (B) 有鳥與貿易商的書面的合同來捕獲異常鳥 (C) 被迫由商人以打獵和賣鳥 (D) 並沒有在市場上的任何其它已知的來源的收入