The correct answer is C. Masroor rock temple.
A monolithic rock-cut temple is a temple that is carved out of a single piece of rock. The Masroor rock temple is a Hindu temple located in the Masroor hills near Chandigarh, India. It is one of the largest monolithic rock-cut temples in the world, and is known for its intricate carvings.
The temple was built in the 8th century AD, during the reign of the Gurjara-Pratihara dynasty. It is dedicated to the Hindu god Shiva, and is one of the most important pilgrimage sites for Hindus in the region.
The temple is carved out of a single block of sandstone, and is about 100 feet (30 meters) high. The main entrance to the temple is on the east side, and is flanked by two large pillars. The inner sanctum of the temple houses a lingam, a phallic symbol of Shiva.
The temple is decorated with intricate carvings of Hindu deities, animals, and geometric patterns. The carvings are considered to be some of the finest examples of rock-cut architecture in India.
The Masroor rock temple is a UNESCO World Heritage Site, and is one of the most popular tourist attractions in Chandigarh.