下列最适合郊游的天气是
A．A
B．B
C．C
D．D
答案：B
Anthony Gleason owns a stock valued at $50 per share. Gleason buys a put option with a strike price of $50 for $3. At expiration of the put option, the stock is valued at $65 per share. The profit from Gleason's portfolio insurance strategy is:
A．
B．
C．
《汤姆·琼斯》的艺术特色？
