在人人重视环境保护的今天，哪种植物可以当做监测空气污染程度的指数植物（　　）

A．藻类植物

B．苔藓植物

C．蕨类植物

D．裸子植物

An investor goes long an FRA that expires in 30 days for which the underlying is 90-day LIBOR for a notional of $10 million. A dealer quotes this instrument at 4.5 percent. At expiration, 60-day LIBOR is 3.5 percent and 90-day LIBOR is 4 percent. The payment made at expiration is closest to:()

A. $12 376 from the investor to the dealer.

B. $12 376 from the dealer to the investor.

C. $16 570 from the investor to the dealer.