Final answer:
All the options listed are communication barriers that can lead to misunderstandings, including making assumptions, belittling feelings, and failing to listen. These barriers prevent proper understanding and effective dialogue.
Step-by-step explanation:
Communication barriers lead to misunderstandings, and all the options provided (A) Making assumptions, (B) Belittling feelings, and (C) Failing to listen, are indeed barriers that can impede effective communication. Making assumptions without verifying them can create misconceptions and prevent a true understanding of the other person's message or situation. Belittling feelings indicates a lack of emotional sensitivity or empathy, which can lead to resentment and a breakdown in communication. Finally, failing to listen is a fundamental barrier, as it prevents one from fully receiving and understanding the other's message, leading to partial or entirely incorrect interpretations.