40. What is the passage mainly about?
(A) The growth of cities in the United
States in the early 1900's
(B) The development of the Southern
California oil fields
(C) Factors contributing to the growth of
Los Angeles
(D) Industry and city planning in Los
Angeles
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統計: A(4), B(0), C(7), D(0), E(0) #803589
統計: A(4), B(0), C(7), D(0), E(0) #803589