With Regard to Combining Members' Preferences to Reach a Consensus,the

Multiple Choice

With regard to combining members' preferences to reach a consensus,the impossibility theorem states that:

A) there is not a best way to derive a group's preference from combining individual preferences
B) there is not a best way to derive individual preferences from analyzing a group's overall preference
C) groups take much longer to reach agreement than two-party negotiations
D) groups often fail to see a positive bargaining zone when it actually exists