It actually depends on the situation, for example- you're speaking in front of many people as a speaker, you should be talking casually and if you're inside work, we shouldn't do it to keep the formality going, except if the customer did it first. Explaining my answer to your question in my opinion, it's because communicating to someone in casual is the best way to befriend them.
Answers & Comments
Answer:
A. True
Explanation:
It actually depends on the situation, for example- you're speaking in front of many people as a speaker, you should be talking casually and if you're inside work, we shouldn't do it to keep the formality going, except if the customer did it first. Explaining my answer to your question in my opinion, it's because communicating to someone in casual is the best way to befriend them.