80. Which of the following statements is supported by paragraph 4?
(A) Fewer trees mean less rain.
(B) More pollution means less rain.
(C) Less humidity means higher temperature.
(D) Less rain means less pollution.
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統計: A(1), B(0), C(0), D(0), E(0) #4041981
統計: A(1), B(0), C(0), D(0), E(0) #4041981