What Is the Result of Procedural Complexity in Multiparty Negotiations

What is the result of procedural complexity in multiparty negotiations?

A) The increased number of negotiators will streamline the decision making process.
B) The fewer the number of parties, the more complex the decision making process becomes.
C) Negotiators will probably have to devote discussion time to how they will manage the process to arrive at the type of solution or agreement they want.
D) Negotiators can ignore the problem of multiple related issues.