Read the following context and answer the question.
Context: Although he was n't supposed to , Rodolphus danced frequently , and rarely with the same girl , the only exception being the eldest of the Black sisters . Rabastan did not dance . Friends aside , he was rarely impressed by his acquaintances as a whole , and never by the delicate creatures brought to court .
Question: Why does he dance so often ?
Answer:


None of the above choices .