Read the following context and choose the best option to answer the question.
Context: We have a lot of people who just know how to do things , and they know it so hard they wo n't listen to any of the other fifteen people who know how to do it too . ( Meanwhile the other fifteen people are standing there just wanting someone to pick one . ) Now , I 'll admit , I spent the first half of the morning knowing how to do everything , and making damn sure everyone knew I knew how to do it . That said , that method of communication was very clearly not working , and I figured out that I had to shut up if we were going to get anything done .
Question: What may be a plausible reason that method of communication was n't working ?
Options: 
A. Nobody knew how to do it .
B. None of the above choices .
C. They did not like working together .
D. They were n't working together as a team .


D