在一次乒乓球邀请赛中甲队胜了2局，记作+2分，乙队负了3局记作 [ ]

A．3分

B．﹣3分

C．5分

D．﹣5分

Ms Marsh was such a careless group leader that she ______ a very important detail when laying down the plan for the project.

A．left behind

B．left aside

C．left out

D．left off