A Participant in a Research Study Informs the Nurse Researcher

A participant in a research study informs the nurse researcher that he has decided to withdraw from the study citing personal reasons.The most appropriate action by the researcher is to:

A) Inform the participant that the signed consent form requires him to remain in the study
B) Review the purpose of the study with the participant and encourage him to remain
C) Support the participant in his withdrawal from the study
D) Discuss with the research team strategies to keep the participant in the study