39. What is the main idea of this passage?
(A) Farming is better than hunting.
(B) Using metal was a great advantage for humans.
(C) Farming leads to the rise of villages and cities.
(D) Where people live determines their lives.
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統計: A(0), B(3), C(16), D(26), E(0) #1219789
統計: A(0), B(3), C(16), D(26), E(0) #1219789