The correct answer is A. skilled.
A skilled dancer is someone who has a high level of ability in dancing. They are able to perform complex movements with ease and grace. They may also have a strong understanding of dance theory and technique.
Adept is a synonym for skilled, but it can also mean someone who is quick to learn or understand something. Adapt means to change or adjust to new conditions. Adopt means to take someone or something as one’s own.
In the context of the question, the word “skilled” is the most appropriate choice. This is because the question is asking about someone’s ability in dancing, not their ability to learn or understand something new, or to take something as their own.