阿摩線上測驗
72. What is the main subject of this article?
(A) The history of the passenger pigeon
(B) The life cycle of a passenger pigeon
(C) The migration habits of passenger pigeons
(D) The large market for passenger pigeons
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統計： A(228), B(39), C(56), D(5), E(0) #2085051
統計： A(228), B(39), C(56), D(5), E(0) #2085051
