在其他条件不变的情况下,当前利率水平上升,认购期权和认沽期权的权利金分别会()
A.上涨,上涨
B.上涨,下跌
C.下跌,上涨
D.下跌,下跌
参考答案:B
David was _________ careless _________ find the mistakes in his test paper.[ ]
A. too; that
B. very; that
C. too; to
D. so; that
旅客列车的车次以开往北京方向为()行方向,车次编为()数。