The Bada Imambara is located in Lucknow, India. It is a large mosque and mausoleum complex built by Nawab Asaf-ud-Daula in the 18th century. The complex is one of the most important examples of Mughal architecture in India.
Agra is a city in northern India. It is the capital of the state of Uttar Pradesh. Agra is famous for the Taj Mahal, a white marble mausoleum built by Mughal emperor Shah Jahan in memory of his wife Mumtaz Mahal.
Patna is the capital of the state of Bihar. It is the third-largest city in India. Patna is an ancient city with a rich history. It was the capital of the Mauryan Empire in the 4th century BC.
Allahabad is a city in northern India. It is the capital of the state of Uttar Pradesh. Allahabad is a holy city for Hindus and Muslims. It is the site of the Kumbh Mela, a Hindu festival that is held every 12 years.
The correct answer is B.