Revolving Loans Are Credit Lines

Revolving loans are credit lines

A) that allow the borrower to borrow the repeat credit only after the first loan is repaid.
B) that specify a maximum size and a maximum period of time over which the borrower can withdraw funds.
C) whose interest rate adjusts with movements in an underlying market index interest rate.
D) on which a borrower can both draw and repay many times over the life of the loan contract.