Correct answer: B. Muhammad Adil Shah
Explanation: The correct answer is Muhammad Adil Shah, the ruler of the Bijapur Sultanate whose tomb is known as Gol Gumbaz. Constructed in the Deccan, the monument is famous for its enormous dome and its acoustic gallery, where a faint sound may be heard at distant points inside the structure. Mahmud Gawan was a prominent minister of the Bahmani Sultanate, not the ruler buried at Gol Gumbaz. Alauddin Bahman Shah founded the Bahmani kingdom, whereas Yusuf Adil Shah was an earlier Adil Shahi ruler. The important historical association is therefore Gol Gumbaz with Muhammad Adil Shah.