Which topic sentence best applies to this passage?

Ballet is a difficult art to learn. This dance form requires great flexibility and body strength. In addition, the dancer must memorize each and every movement of the performance. A choreographer creates the ballet steps and helps a dancer learn them. Ballet includes several types, such as French, Italian, and Russian ballet. An example of traditional ballet is the Stabat Mater, where the dancers move in a way that shows sadness.

A.
Ballet goes against traditional notions of dance and focuses more on expressing emotions.
B.
Ballet is a form of dance performed in France, Italy, and Russia.
C.
Ballet is a performance dance that requires great skill and dedication.
D.
Ballet is a contemporary form of dance that narrates a scene or a story.

The central idea of the passage is to reflect that Ballet is a strenuous art to learn as it requires great skill and dedication. The author intends to reflect that Ballet is a performance dance originated at the time Italian renaissance. It is an arduous dance form in which each step requires dedication and training. It is a blend of gymnastics, dancing, along with swimming which requires higher flexibility and body strength as the author has described. Thus, option A proposes the most correct and appropriate meaning of the passage.