空头避险策略中,下列基差值的变化对于避险策略不利的是()。
A.基差值为正,而且绝对值变大
B.基差值为负,而且绝对值变小
C.基差值为正,而且绝对值变小
D.无法判断
参考答案:C
The president _____ a cool reception when he visited London.
A.gave
B.was given
C.had given
D.had been given
My headache______.I thought it was going away,but now it was getting worse and worse.
A.is killing
B.kills
C.was killing
D.killed