46. What might be the best title for this article?
(A) Nixon’s success in Cancer Prevention
(B) We should value prevention treatment
(C) The patient rights in the United States
(D) The future of the AIDS intervention
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統計: A(22), B(305), C(9), D(4), E(0) #2982943
統計: A(22), B(305), C(9), D(4), E(0) #2982943