Which of the following are correct about the research perspectives of describing culture?

A、Eticapproachistouseindigenousconceptsoftheculturebeingstudiedtointerpretandorganizedata.;
B、Emicapproachistousetheacceptedcategoriesandconceptswithintheculturebeingstudiedtointerpretandorganizedata.;
C、Theconceptofeticapproachhadeasternbiases.;
D、Emicapproachwouldleadtoextremeculturalrelativism.