An Instructor Is Correcting a Nursing Student's Clinical Worksheet

An instructor is correcting a nursing student's clinical worksheet. Which instructor statement is the best example of effective feedback?

A) "Why did you use the client's name on your clinical worksheet?"
B) "You were very careless to refer to your client by name on your clinical worksheet."
C) "Surely you didn't do this deliberately, but you breeched confidentiality by using names."
D) "It is disappointing that after being told you're still using client names on your worksheet."