17 What is the main purpose of this passage?
(A)To analyze the solution to environmental pollution
(B)To explore the landscape of the wetland for the rare pheasant-tailed jacana
(C)To demonstrate the earnest efforts of protecting the rare animal species
(D)To emphasize the conflicts of economic interests and environmental protection
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統計: A(10), B(19), C(31), D(11), E(0) #1212037
統計: A(10), B(19), C(31), D(11), E(0) #1212037