Operation research is a scientific method of providing executive department with a quantit
专四
已帮助 人
Operation research is a scientific method of providing executive department with a quantitative basis for decisions______the operations under their control.
A．regarding
B．as to
C．on
D．considering
请帮忙给出正确答案和分析，谢谢！
-
正确答案：A
regarding"关于"。asto"关于，至于"，用在此处不合适；decisionon"对……作出的决定"，不合句意；considering"考虑到，鉴于"。题句意：运筹学是一种科学方法，它为执行部门对其掌管下的各种活动作决定时提供数量根据。