Which of the Following Is an Example of Unsuccessful Communication

Which of the following is an example of unsuccessful communication?

A) ordering an item online and deciding after it arrives that you don't like it
B) asking a friend for advice and then trying to apply it to your problem
C) getting instructions on how to put something together and then assembling the item
D) making an urgent request on a colleague's voice mail and getting no reply for a week
E) writing a letter to a manufacturer complaining about a recent purchase and receiving a discount on a future purchase