One of the most basic difference(s) between currency forward and futures contracts is that ___,

A. futures contracts have no daily limits on price fluctuations whereas forward contracts have a daily limit on price fluctuations

B.forward contracts have more credit risk than futures contracts

C.forward contracts are negotiated with an organized exchange whereas futures contracts are bought and sold from banks

D. futures contracts are individually tailored by size while forward contracts are all standardized amounts of currency