英译汉:“Negotiated Bidding”,正确的翻译为( )。
A.公开招标
B.两段招标
C.谈判招标
D.选择性招标
参考答案:C
某投资者在5月份以30元/吨权利金卖出一张9月到期,执行价格为1200元/吨的小麦看涨期权,同时又以10元/吨权利金卖出一张9月到期执行价格为1000元/吨的小麦看跌期权。当相应的小麦期货合约价格为1120元/吨时,该投资者收益为()元/吨(每张合约1吨标的物,其他费用不计)
A.40
B.-40
C.20
D.-80
He speaks English well indeed, but of course not _____ a native speaker. [ ]
A. as fluent as
B. more fluent than
C. so fluently as
D. much fluently than