静态分析，是指在项目决策与评价时，对资金的时间因素( )。

A．不作价值形态的量化
B．作价值形态的量化
C．作不作价值形态的量化均可
D．以上选项均不对

The boy         the first prize, but he was so careless as to make a foolish mistake.

A．must have gained

B．need have gained

C．could have gained

D．shall have gained