One Day, While Playing a Round of Golf at Flosswood

One day, while playing a round of golf at Flosswood Country Club, bankers Tinkers, Evers and Chance realized that each of their banks had given unsecured loans to Max Duffer for $100,000 and that Max has defaulted on each of the loans. Which of these strategies might the three bankers take with regards to Max Duffer?

A) File a voluntary petition for bankruptcy with the bankruptcy court.
B) File an involuntary petition for bankruptcy with the bankruptcy court.
C) File a proof of interest with the bankruptcy court.
D) Petition the bankruptcy court for an automatic stay.