Which of the Following Would NOT Be a Reason for a Peer-Reviewed

Which of the following would NOT be a reason for a peer-reviewed paper to be retracted by its publisher as untrue or inaccurate?

A) The author has made a clear error in the scientific process.
B) It has been shown that the author plagiarized someone else's work.
C) It has been discovered that the author violated ethical guidelines or was involved in other scientific misconduct.
D) Other researchers have published work that appears to contradict the paper in question.