Which of the Following Is Not a Commonly Committed Fraud

Which of the following is not a commonly committed fraud during bankruptcy proceedings?

A) Conceals property from the bankruptcy proceedings.
B) Gives, offers, receives, or attempts to obtain money, property, reward or advantage for acting or forbearing to act in a bankruptcy case.
C) Withholds documents related to the debtor's property or financial affairs from the standing trustee or other officer of the court.
D) All of the above are commonly committed frauds.