现货期权分为（）。
A．金融期权和商品期权
B．外汇期权和股指期权
C．外汇期权和利率期权
D．股指期权和利率期权
参考答案：A
Difficulties and hardships have________the best character of the young geologist. [ ]
A. brought in
B. brought up
C. brought out
D. brought about
罗伯特•麦金托什将旅游动机分为哪几种？
