【单选题】

You are taking over a project and determine the following:Activity

B、has an early finishEF)of day 3, a late finish(LF)of day 6, and an early startES)of day 2.Activity L is being done by a hard-to-get resource. The cost performance indexCPI) is 1.1 and the schedule performance index(SPI)is 0.8.Based on this information, what would you be more concerned about
A、Float.B、Resources.C、Cost.D、Schedule.