Anna Gilmore regard their research as more convincing in that it A.is authorized by the largest jurisdiction. B.has a broader coverage of study subjects. C.is believed by many to be more accurate. D.is conducted in more specific places.
A.is B. B.has C. C.is D. D.is E.
【参考答案】
B 因果细节题。根据题干定位到第四段。由该段第2句可知,基于较多人口的研究能得出更加准确的结果;该段末句进一步指......