单选题 Typically, will principal amounts exchanged at the beginning of a(n): Interest rate swap Currency swap ①A. No No ②B. No Yes ③C. Yes No A．① B．② C．③

【正确答案】 B

【答案解析】Principal amounts are not exchanged at the beginning or end of an interest rate swap; principal amounts are typically exchanged at both the beginning and end of a currency swap.