16. Which of the following is the main idea of the passage?
(A)Singapore has the shortest urban history among Asian countries.
(B)Singapore is trying to improve its transportation system.
(C)Singapore pledges to become the Asian leader.
(D)Singapore is an exemplary country in urban development.
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統計: A(17), B(25), C(71), D(174), E(0) #582798
統計: A(17), B(25), C(71), D(174), E(0) #582798