please ans all please

4. Mrs. James is a director at Bank A, which has a correspondent account relationship (a deposit account) with Bank B. She also has an account at Bank C, which has no ties to either bank. From which bank or banks would Reg. O allow her to get preferential lending treatment? A. Bank A B. Banks B and C C. Bank C 5. Reg. O does NOT PERMIT extensions of credit to insiders that A. Will take more than five years to repay. B. involve more than the normal risk of repayment. C. involve letters of credit and bills of exchange. 6. Reg. O prohibits lending to insiders and affiliates