A speaker who describes his/her main points as part of the introduction is utilizing what device?

In a department meeting, John has shared some research on some new software that the company

should purchase. Bill agrees with John, and goes on to share his experience with the software and offer more insight into why the software John suggests would be the best option. In this scenario, Bill's behavior would best be classified as an A) opinion giver B) procedural technician C) encourager D) elaborator

If you are going to use visual aids, it is very important that you give thought to how you will compensate orally for the distraction they will likely cause

Indicate whether the statement is true or false