问题如下图：
选项：
A. 
B. 
C. 
解释：
老师您好，想问一下这个道题是想问属于forwards commitments里面哪几个是属于OTC的吗？
futures aninterest rate swaps. interest rate swaps anforwar. C is correct. Interest rate swaps anforwar are over-the-counter contracts thare privately negotiateanare both subjeto fault. Futures contracts are traon exchange, whiprovis a cret guarantee anprotection against fault. A is incorrebecause futures are exchange-tracontracts whiprovi ily settlement of gains anlosses ana cret guarantee the exchange through its clearinghouse. B is incorrebecause futures are exchange-tracontracts whiprovi ily settlement of gains anlosses ana cret guarantee the exchange through its clearinghouse. A为什么不对？怎么理解谢谢
这道题不是考forwarcommitment的分类吗？fowarfuture就是啊
