Of the Following Definitions, the One That Is Broadest Is

Of the following definitions, the one that is broadest is

A) communication is the discriminatory response of an organism to a stimulus.
B) communication has as its central interest those behavioral situations in which a source transmits a message to a receiver with conscious intent to affect the latter's behaviors.
C) communication is a process whereby people assign meanings to stimuli in order to make sense of the world.
D) communication is the transmission of information, ideas, emotions, skills, etc., by the use of symbols.