47. According to the passage, what is one disadvantage of urban living?
(A) Low cost of living.
(B) Rich cultural exposure.
(C) Limited access to healthcare.
(D) Traffic jam and air pollution.
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統計: A(5), B(5), C(2), D(18), E(0) #3276634
統計: A(5), B(5), C(2), D(18), E(0) #3276634