A Challenge That Comes About When Negotiations Are Conducted by a Buying

A challenge that comes about when negotiations are conducted by a buying team is:

A) internal conflicts can arise in the team due to conflicting agendas.
B) encountering a phenomenon called group think.
C) dealing with various communication styles in the team.
D) the balance of power shifts to the team with the most number of people in it.
E) some people in the team may not be very well informed about the product.