4. All of these
Verbal mode of communication may have barrier in delivering the proper message such as thoughts, perceptions and emotions.
Explanation:
When we engage in conversation with others by speaking, we're doing verbal communication. The interaction can be face to face, by phone, via video calling, etc.
It may have barrier in delivering the proper message such as thoughts, perceptions and emotions as it these could be misunderstood and couldn't deliver the message.