The correct answer is: C. Shikara style.
The Adi Brahma temple of Khokhan is a Hindu temple dedicated to the god Brahma. It is located in the village of Khokhan in the Chamba district of Himachal Pradesh, India. The temple was built in the 11th century by the Katyuri dynasty. It is one of the oldest temples in Himachal Pradesh.
The temple is built in the Nagara style of architecture. The Nagara style is a style of Hindu temple architecture that is found in northern India. It is characterized by its tall, pyramidal towers. The Adi Brahma temple has a shikhara, which is a type of tower that is characteristic of the Nagara style.
The temple is made of sandstone. It is decorated with intricate carvings. The carvings depict scenes from Hindu mythology. The temple is a popular tourist destination.
The other options are incorrect. Option A is incorrect because the Nagara style is not a pagoda style. Option B is incorrect because the Adi Brahma temple is not a pagoda style. Option D is incorrect because the Adi Brahma temple is not built in both the Nagara style and the Pagoda style.