Which of the Following Is an Unresolved Issue in the New

Which of the following is an unresolved issue in the new century?

A) What should be done about the regulatory safety net set up to protect small depositors?
B) If financial institutions are allowed to take on more risk,how can taxpayers be protected from paying the bill when more institutions fail?
C) Does functional regulation actually work?
D) Should regulators allow the mixing of banking and commerce?
E) All of these are unresolved issues