An activity has an early start date-of the lOth and a late start date of the 19th. The activity also has a duration of 4 days. There are no nonworkdays. From the information given, ()what can be concluded about the activity?
A:Total float for the activity is 9 days.
B:The early finish date ofthe activity is the end ofthe day on the 14th.
C:The late finish date is the 25th.
D:The activity can be completed in 2 days ifthe resources devoted to it are doubled.
出自:信息系统项目管理师(高级)