Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

Which of the following factors best explains why regional trading agreements are more popular than larger multilateral trade agreements?
Option A:Minimal displacement costs.
Option B:Trade diversions benefit members.
Option C:Quicker and easier policy coordination.

Answer: C