Sam and Ernie Have Been Friends Since High School

Sam and Ernie have been friends since high school. They both like designing landscapes and work well together. They also enjoy working with Larry, a man who is a bit older than them and the third member of their landscaping design team. Often, any one of them can be heard saying he could do landscape design with his friends forever. This team has

A) low viability.
B) high viability.
C) deep-level diversity.
D) individualistic roles.
E) surface-level diversity.