15. According to paragraph 6, what is at the root of the huge population increases during the twentieth
century?
(A) The improvements in health throughout the developing world
(B) The fact that birth rates are increasing in many countries
(C) The lack of resources in many developing countries
(D) The failure of the CDR to respond to economic pressures
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統計: A(62), B(13), C(0), D(6), E(0) #2685829
統計: A(62), B(13), C(0), D(6), E(0) #2685829