The technique Joe is using is called planting.
Answer: Option A
Step-by-step explanation:
The technique which is used by Joe is known as the planting technique. This technique makes Joe stand in a position for delivering his speech in a way where he could stand in way which helps in moving in a way while speaking and addressing the public which gives him confidence.
Planting technique gives a proper posture for delivering a speech about the standing position of the person who is giving the speech because posture is very important for impressing the listeners.