Circuit-Switched Networks Provide Connection Between Two Parties That

Circuit-switched networks provide connection between two parties that:

A) uses a single router for each individual on either end of the connection.
B) is dedicated for use by the parties for the duration of a connection.
C) repeatedly switches between an open and closed state depending on whether someone is speaking or other noise is being transmitted during a call.
D) slicing up the conversation into smaller chunks and transmitting them over a shared circuit that mixes content with other callers but routes and reassembles a call to the correct recipient.
E) prioritizing voice calls over other connections on IP networks.