Tom looked at Jenny, with tears _____ his eyes, and shouted out the words _____ in his heart for years.[ ]

A. filling; having been hidden

B. filled; hidden

C. filling; hidden

D. filled; hiding

在网络计划工期优化过程中，当出现两条独立的关键线路时，在考虑对质量、安全影响的基础上，优先选择的压缩对象应是这两条关键线路上( )的工作组合。

A．间接费用率之和最小

B．直接费用率之和最小

C．持续时间之和最长

D．资源消耗量之和最小