Answer:
Letter A is correct. A panel.
Step-by-step explanation:
This is an example of a panel. It occurs when it involves a group of people so that there is a presentation of a specific theme in front of an audience and there can be interaction and exchange of ideas, with the participation of experts and also open the participation of the audience.
Each group has a mediator who will be responsible for coordinating the presentation time and the most relevant issues to be discussed. Generally in a panel discussion, relevant topics in the present and community are addressed, such as political, social and ethical issues.