These barriers to communication are specific items that can distort or prevent communication within an organization. The ability for a company to recognize the communication issues and come to a resolution can drastically improve working conditions, sales and organizational culture.
I think it would be D idk if I'm correct tho
Aggregation - a group of things that have been brought together
Degradation - making something weaker or of less importance
Indignantly - feeling angry at something that you view as unfair
Infallible - Incapable of doing something wrong