Daenerys is very focused on studying for her psychology exam when her boyfriend calls and describes in great detail his plans for celebrating his promotion at work. Which listening barrier may impede their conversation?

Preoccupation                  

Explanation:

Preoccupation is a listening barrier that may impede their conversation. Preoccupation is a listening barrier that occurs when an individual is engrossed with something else while the conversation or speech is on-going thus failing to attentively listen or pay attention to what is being said.

Daenerys was preoccupied with preparations for her exams and may not listen actively to what her boyfriend is saying.

the answer would be in this answer. someone already asked the question.  

nigger, that word was originated for white folks   to keep black people under

and when black people use it, they know that's just how they greet each other

and when white folks use it, they know there's a double meaning under