After establishing the collaborative’s goals, Dahlstrom’s boss asks what contingency factors might influence the Collaborative’s plans to reach these goals. Dahlstrom responds that planning contingency factors can be broadly grouped into three categories: ___________. 

a. degree of environmental uncertainty, organizational structure, and communication effectiveness 

b. degree of environmental uncertainty, length of future commitments, and organizational structure 

c. degree of environmental uncertainty, level in the organization, and organizational structure 

d. none of the above