The two coal miners, ________in the mine for as long as three days, were eventually rescued and sent

to hospital immediately.[ ]

A. to trap  

B. trapping  

C. trapped  

D. having trapped

有一种资本预算编制技术在开展计算时不考虑资金的时间价值，这种技术是指：（）

A.常规投资收回方法；

B.税收调整现金流方法；

C.内部回报率方法；

D.净现值方法。