Its A. because since popular people have it and a lot of people have it, you must have it so you could be like them but that makes you a follower, or you can try your own style and be the leader not the follower like everyone else.
I have no idea what is your question, or if you are just looking for confirmation, but this is true. Irritable bowel regards some physiological changes to the large intestines which are a major component of the GI tract.
Falling down stairs, cooking, eating