Why has teaming become a necessity?

A$.$ Work has become increasingly more independent over the years.

B$.$ There is a decrease in the complexity of tasks.

C$.$ An individual gets his or her assignments completed more expeditiously than if not assigned to a teaming group

D$.$ Most collaborative work is ever changing and complex, and requires a variety of expertise as the need arises at different times.

E$.$ Increasingly, people prefer to work in a collaborative fashion.