Michael Conducts a Fieldwork Study of the Kitchen Workers at a Restaurant.He

Michael conducts a fieldwork study of the kitchen workers at a restaurant.He informed the workers that he was doing the study and that he would be fitting in as much as possible by working as a dishwasher.Michael follows informed consent standards for ethical fieldwork,so he

A) reminds the workers each day that he is conducting a study.
B) reminds the workers weekly that he is conducting a study.
C) makes their written informed consents visible in some way at the field site.
D) assumes ongoing consent by their acceptance of his presence.