这道题怎么理解，解释一下

问题如下：

In an foreign exchange (FX) swap the:

选项：

A.

price is quoted in forward points.

B.

term is typically more than one year.

C.

counterparties swap currencies back at the end of the contract at the original spot rate.

D.counterparties exchange net interest payments based on the reference rate during the term of the swap.

解释：

A 外汇掉期（FX Swap）是以远期点数（F - S）进行报价的。其他选项则是货币掉期的特点。