The correct option is B Dravidian
Bruhdeshwar temple of Thanjavur was built by King Rajaraja Chola of the Chola dynasty. The Chola dynasty ruled in many parts of South India and reached its peak in the 11th century. They built many temples during their rule. These temples the Cholas built followed a style known as the Dravidian style of Architecture. The origin of this style can be traced back to another dynasty, the Guptas.