Test Barriers that prevent you from Really Listening

1st QUESTION: What are psychological barriers according to the text?

From the sender, who must ensure that his language is accessible to the receiver
From the receiver, who must investigate the technicalities that he does not understand
Of both equally, since they must negotiate a common code
Nobody's, since the semantic barriers are insurmountable

When the conversation environment is too noisy
When the listener has no interest in the topic
When the interlocutors do not share the same linguistic code, such as slang or technical terms
When the emotional state of the receiver is altered