Li Gang was required to apologize  ____   the people present at the meeting _____ what he had done.    [ ]

A. for; by                              

B. with; about  

C. to; for                            

D. at; with

经验总结法更多地运用逻辑分析的方法来研究教育问题，偏重于（）

A.经验思辩型研究

B.实证型研究

C.经验思辩型和实证型相结合研究

D.理论性研究