【单选题】

A network has been developed with resources from six different departments. One of the six departments has just informed you that they can increase the number of employees from 5 to 8. This will result in: 

A A shortening of the critical path. 
B A shortening of the noncritical path. 
C A decrease in the total cost of the project. 
D An increase in the cost of the project. 
E A through D are possible based upon where the resources are deployed