An Older Adult Client Has Been Approached to Participate in a Research

An older adult client has been approached to participate in a research study.The nurse best advocates for the client's right of self-determination by:

A) evaluating the client's cognitive ability to understand the consequence of the study.
B) determining what risks to the client are involved.
C) discussing the importance of the study with the client and his family.
D) encouraging the client to discuss the decision with trusted family or friends.