Check all that apply, I believe it is a and something else but im not sure what, please explain and show answer clearly, thanks!

How do banks manage liquidity risk? (Check all that apply.) O A. Banks manage this risk by keeping some funds very liquid, such as in the federal funds market. B. Banks can increase their assets to cover liquidity risk. C. Banks manage this risk by keeping some funds very liquid, such as a reverse repurchase agreement. D. Banks can increase their borrowings to cover liquidity risk