As is mentioned in the card, the limitation of the research paper mainly lies in that_

Question

As is mentioned in the card, the limitation of the research paper mainly lies in that_____.

A. the data analysis is hardly reliable

B. the research sample is not wide enough

C. the findings are of no practical value

D. the research method is out-of-date

Answer 1

正确答案：B

从文中“the survey sample was restricted to mid-level management (此次调查只局限于中层管理人员）”可知答案为B。