Is also called public communication or presentational communication.
a. small group communication
b. interpersonal communication
c. computer-mediated communication
d. public speaking

The correct answer is D. Public Speaking

Explanation:

Public speaking refers to the process of communicating a message to an audience or wide group of people mainly through a speech with the purpose of informing, persuading or entertaining. Usually, in speeches there is only one speaker or few speakers and a wide group of listeners, this implies speeches are mainly public as a lot of people have access to them and hear the message at the same time. Also, public speaking is part of presentational communication as an individual speaks to the audience and presents a subject, topic or position, that differs from one-way communication that is an individual speaking to another individual. Thus, public speaking is also called public communication or presentational communication.

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