This is a test of commonsense with single/multi-choices. Complete the next sentence:

A female ballet dancer is in a studio room by herself wearing a purple leotard with a skirt attached to it. she

Choose from:
[a]. begins to spin and do stretches in the air..
[b]. begins gracefully dancing throughout the room doing a series of turns and kicks all while on the tip of her toes..
[c]. raises her arms to the side as she is dancing, and makes proceeding to leg bend on her own and she sings through her lower half and ends with her arms up..
[d]. is performing with a baton, kicking, lifting and twirling..
The answer is:
[b].