Dappu is a Telangana folk dance form characterized by the use of:

Wooden sticks
Colorful costumes
Drums
Elaborate masks

The correct answer is C. Dappu is a Telangana folk dance form characterized by the use of drums. The drums are played in a rhythmic pattern that accompanies the dancers’ movements. The dancers wear colorful costumes and often have elaborate hairstyles. The dance is performed at weddings, festivals, and other special occasions.

Option A is incorrect because wooden sticks are not used in Dappu. Option B is incorrect because colorful costumes are used in Dappu, but they are not the defining characteristic of the dance. Option D is incorrect because elaborate masks are not used in Dappu.