The Widespread Beliefs That Deposit Insurance Causes a High Degree

The widespread beliefs that deposit insurance causes a high degree of moral hazard problems in banks are due to

A) the risk-insensitive pricing structure.
B) the call option feature of the deposit insurance which gives the bank a protection from failure and hence increases its propensity to take risk.
C) the put option feature of the deposit insurance which gives the bank a protection from failure and hence increases its propensity to take risk.
D) a and b only
E) a and c only