currency swap 的题，谁能帮忙解释一下

5．Consider a currency swap in which Party A pays 180-day London Interbank Offered Rate on $1,000,000 and Party B pays the Japanese yen riskless rate on 130,000,000 yen. Which of the following statements regarding the terms required at the initiation of the swap is TRUE?

A)     Party A must pay $1,000,000 and receive 130,000,000 yen.

B)     Party A must pay 130,000,000 yen and receive $1,000,000.

C)     A single payment that depends on exchange rates must be made from one party.

D)     An exchange of principal amounts is not required at the initiation of the swap.

The correct answer was B)

Since Party A is paying in dollars, Party A must receive dollars in exchange for yen at the beginning of the swap.

也许我英文理解程度不够，谁能系统解释一下，我总感觉是选择A选项的

谢谢daren