A. Ballet is a dance forma that encourages strong muscles and posture. Ballet is one of the most difficult styles of dancing (only to be able to do the famous <em>en pointe</em> the dancer needs at least one year of training), as well being one of the most taxing to the body (its an activity that competes with American Football for most injuries), that makes it necessary for the dancers to become fit so they can properly realize this type of dance.
The answer is B as stated.
A demand is like i want this done now and a request is like can you do this for me
Yes as long as you can tell your friend when you told them the idea .
