反映一种活动发生后在有关系统中传递的快捷程度，是物流信息管理合理化的（）.

A.及时性

B.精确性

C.灵活性

D.广泛性

I can judge that he is very________from the________look on his face. [ ]

A. excited; excited  

B. exciting; excited

C. excited; exciting  

D. exciting; exciting