The correct answer is: A. Jama Masjid.
Jama Masjid is the oldest and biggest mosque in Jammu district. It is located in the heart of the city, near the Raghunath Temple. The mosque was built in the 16th century by the Mughal emperor Akbar. It is a beautiful example of Mughal architecture. The mosque has a large courtyard, with a central dome and four minarets. The walls of the mosque are decorated with intricate tile work.
Chashm-e-Shahi is a mosque located in the foothills of the Pir Panjal Range, about 10 kilometers from Jammu city. It was built in the 17th century by the Mughal emperor Shah Jahan. The mosque is known for its beautiful gardens and its views of the surrounding mountains.
Hazratbal Masjid is a mosque located on the banks of the Dal Lake in Srinagar, Jammu and Kashmir. It is one of the most important mosques in Kashmir. The mosque was built in the 17th century by the Mughal emperor Shah Jahan. It is said to house a hair from the beard of the Prophet Muhammad.
None of these is the correct answer.