What Is the Primary Purpose of a Third-Party Intermediary in a Deferred

What is the primary purpose of a third-party intermediary in a deferred like-kind exchange?

A) To help acquire the replacement property.
B) To prevent the seller from receiving cash (boot) that will taint the transaction.
C) To certify the taxpayer's Form 8824.
D) To facilitate finding replacement property.
E) All of the choices are correct.