A Nurse Working in a Pediatric Clinic Is Collecting Data

A nurse working in a pediatric clinic is collecting data on children as part of a research study.What action by the nurse is most appropriate?

A) Do not inform children or parents of the data collection.
B) Obtain parental consent only for all children enrolled.
C) Obtain written assent from children 12 and older.
D) Only inform the parents of the research study and methods.