32. Which below may NOT be a reason for the declining number of bees?
(A) The use of pesticides.
(B) The destruction of habitats.
(C) Climate change.
(D) The sudden attack of butterflies.
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統計: A(0), B(2), C(0), D(9), E(0) #811583
統計: A(0), B(2), C(0), D(9), E(0) #811583