After Teaching a Group of Nursing Students About the Issue

After teaching a group of nursing students about the issue of informed consent. Which of the following, if identified by the student, would indicate an understanding of a violation of informed consent?

A) Performing a procedure on a 15-year-old without consent
B) Serving as a witness to the signature process
C) Asking whether the client understands what she is signing
D) Getting verbal consent over the phone for emergency procedures