Nancy, Stella, Ruben, and Enda Are a Transnational Team and Each

Nancy, Stella, Ruben, and Enda are a transnational team and each of them is from a different province. They are tasked with developing strategies for increasing sales to the United States. One day, Nancy receives an email from Enda that says:

Nancy, You forgot to account for the time difference between Calgary and Saskatoon the last time we conference-called. Stella nearly missed the meeting, so don't forget when you schedule the call for next Monday.

Enda

Nancy feels likes she's been chastised when she reads Enda's email and immediately sends a private message to Ruben: "I can't believe how rude Enda is! Who's he to tell me how to do my job?!"

-Which of the following statements is TRUE?

A) From Nancy's perspective, this is primarily an ego conflict.
B) This conflict has arisen because Enda and Nancy have a difference of opinion.
C) This conflict has arisen because Enda and Nancy have competing goals.
D) This conflict has arisen because Nancy has made a faulty assumption.
E) This conflict has arisen because Enda has made a faulty assumption.