The main subject matter for the earliest paintings discovered in Karnataka:

Animals and hunting scenes
Religious figures
Landscapes
Abstract designs

The correct answer is: A) Animals and hunting scenes.

The earliest paintings discovered in Karnataka are rock paintings found in the Badami caves. These paintings date back to the 6th century BCE and depict a variety of animals, including elephants, tigers, deer, and birds. They also show scenes of hunting, dancing, and warfare.

The paintings are significant because they provide a glimpse into the lives of the people who lived in Karnataka during this time period. They also show the importance of animals in the culture of this region.

The other options are incorrect because they do not accurately reflect the subject matter of the paintings. Option B, religious figures, is incorrect because the paintings do not depict any religious figures. Option C, landscapes, is incorrect because the paintings do not depict any landscapes. Option D, abstract designs, is incorrect because the paintings do not depict any abstract designs.