The following information is available about a particular task in your project plan:early start(ES), 25 days;late start(LS), 30 days;early finish(EF), 50 days;late finish(LF), 55 days. Based on this information。you can deduce that()
A. the project float is 5 days
B. the project may get delayed
C. the task is not on the critical path
D. the task is on the critical path