What Does It Mean If Ethnographers Are Overt About Their

What does it mean if ethnographers are overt about their roles?

A) They maintain narrow and limited definitions of appropriate research methodologies.
B) They spend a great deal of time reflecting on their roles in the research process.
C) They observe and record data without letting anyone know they are doing research.
D) They openly admit that they are doing sociological research.
E) They make their hypotheses explicit.