The correct answer is C. Pawapuri.
Pawapuri is a town and a notified area committee in Nalanda district in the Indian state of Bihar. It is located on the banks of the Phalgu River, about 100 km from Patna. The town is famous as the place where Mahavira, the 24th Tirthankara of Jainism, attained nirvana (moksha).
The Mahavira Janmabhoomi Temple is a major tourist attraction in Pawapuri. The temple complex is spread over an area of about 100 acres and houses a number of temples, shrines, and monasteries. The main temple is dedicated to Mahavira and is said to be built on the spot where he attained nirvana.
The other important temples in the complex include the Shanti Stupa, the Ahimsa Stupa, and the Suraj Kund. The Shanti Stupa is a white marble stupa that was built in the 19th century. The Ahimsa Stupa is a red sandstone stupa that was built in the 20th century. The Suraj Kund is a sacred tank that is said to have been built by Mahavira himself.
Pawapuri is also home to a number of Jain monasteries. The most important monastery is the Parsvanath Digambara Jain Math. The monastery was founded in the 12th century and is one of the largest Jain monasteries in the world.
Pawapuri is a popular pilgrimage destination for Jains from all over the world. The town is also a popular tourist destination and is known for its scenic beauty.