Which answer includes the five project management process groups?

Which answer includes the five project management process groups? A- investigating process group, planning process group, deciding process group, monitoring and controlling process group, and the closing process group B- initiating process group, performing process group, executing process group, monitoring and controlling process group, and the closing process group C- initiating process group, planning process group, executing process group, monitoring and controlling process group, and the closing process group D- investigating process group, planning process group, estimating process group, monitoring and controlling process group, and the closing process group
Correct Answer : C