The correct answer is: C) Rhythmic drumming.
Dappu is a folk dance from the Telangana region of India. It is performed by a group of people who dance in a circle, while beating a dappu, a type of drum. The dance is known for its fast-paced rhythm and energetic movements.
Option A is incorrect because dappu is not known for its vigorous footwork. The dance is performed in a circle, and the dancers do not move around very much.
Option B is incorrect because dappu is not known for its slow, graceful movements. The dance is performed in a fast-paced rhythm, and the dancers move their bodies in a vigorous manner.
Option D is incorrect because dappu is not known for its elaborate costumes. The dancers typically wear simple clothing, such as dhotis and saris.
In conclusion, the correct answer to the question “Dappu is a Telangana folk dance known for its: A) Vigorous footwork B) Slow, graceful movements C) Rhythmic drumming D) Elaborate costumes” is C) Rhythmic drumming.