题目内容：

 

   The following card includes a brief summary and a short assessment of a research paper. It can provide a guide for further reading on the topic.

1.The research paper published is primarily concerned with    

   A. the way of preventing employee turnover

   B. methods of improving employee performance

   C. factors affecting employee turnover and performance

   D. pay structures based on employee performance

2.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D. the research method is out-of-date

3.Who might be most interested in this piece of information?

   A. Job hunters.

   B. Employees in blue-chip companies.

   C. Mid-level managers.

   D. Researchers on employee turnover.