Dorene Requires All of Her Students to Fill Out a Survey

Dorene requires all of her students to fill out a survey in order to complete her research. What ethics problem does this raise

A) She did not provide adequate information about possible study risks.
B) She unnecessarily deceived the students.
C) Students might feel they did not have the right to withdraw without negative consequences.
D) She did not provide adequate debriefing information about the completed research.