In What Way Are Transactional Models of Communication Uniquely Different

In what way are transactional models of communication uniquely different from linear and interactive models?

A) They function in only one direction-source to receiver.
B) They include the concept of noise and feedback.
C) They recognize that communication is not an unobstructed one-way street the requires feedback between communicators.
D) They recognize that encoding requires decision making to create a meaning message.
E) They recognize that we send and receive messages at the same time within specific contexts.