Suppose a European Bank Has Excess Reserves

Suppose a European bank has excess reserves.It can either lend them or deposit them overnight in the ECB's Deposit Facility.Ignoring any question of risk, if the bank deposits the funds instead of lending them it must be true that the rate on the loan was less than the:

A) ECB target refinancing rate less 100 basis points
B) ECB target refinancing rate
C) Minimum bid rate
D) Minimum bid rate less 50 basis points