Which of the Following Is an Example of Channel Overload

Which of the following is an example of channel overload?

A) An office has only one fax machine, so your message isn't sent for an hour.
B) You cannot find the fax number of a colleague in New Zealand to whom you want to send a message.
C) You don't know how to use your office's fax machine, so you cannot send a message on Sunday.
D) You fax a memo to a colleague in Japan who cannot read it because she doesn't understand English.