【单选题】

During the planning phase of a project, you realize that more than one functional department possesses the skill and technical know-how to perform a given task. The best way for the project manager to handle this would be to: 

A Make the decision, document it in the linear responsibility chart, and distribute the chart to all departments. 
B Let the affected line groups decide among themselves who will perform the work 
C Ask the executive sponsor to make the decision 
D Allow each line group to perform part of the task 
E All of the above