单选题 A contract in which one party pays a fixed rate of interest on a notional amount in return for the return on a single stock, paid quarterly for four quarters, is a(n) :

A、 plain vanilla swap.
B、 equity swap.
C、 returns swap.

【正确答案】 B

【答案解析】A swap contract in which at least one party makes payments based on the return on an equity, portfolio, or market index, is called an equity swap.