What is the question here?
The sentence is c because which wasnt needed
One of the scenarios when you were talking with someone and your communication was interrupted was when a loud helicopter flew by causing a lot of noise.
<h3>What is noise in communication?</h3>
Noise in communication is any noise that distorts the ability of the speaker to pass across their message and the ability of the listener to hear what is being said.
It is to be noted that noise in communication can be internal or external. All kinds of noises in communication can be managed.
Learn more about communication;
brainly.com/question/26152499
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Do you mean why didn’t Bilbo or Thorin kill Smaug?