Noise in the communications channel is a special problem

	A.	because sometimes it is impossible to determine if there is any noise present in a communication.
	B.	when it appears in the form of nonpurchases of goods or services.
	C.	when it is built into the promotional message itself, something that often happens.
	D.	in international communications because of such problems as bad translations, misinterpretation of body language, or even just too many competing messages.
	E.	because it may appear as attitude change on the part of the message receiver.