The correct answer is: D. Prithviraj Chauhan.
The Fort of Gohana is a historical fort located in the Gohana town of Haryana, India. It was built by the Tomar Rajput king Prithviraj Chauhan in the 12th century. The fort is a rectangular structure with four gates. It is made of stone and brick and has a moat around it. The fort is now in ruins, but it is still an important historical site.
Akbar was the Mughal emperor who ruled from 1556 to 1605. He was a great conqueror and expanded the Mughal Empire to its greatest extent. However, he did not build the Fort of Gohana.
Hemchandra was a Jain scholar and poet who lived in the 12th century. He is known for his work on grammar and logic. However, he did not build the Fort of Gohana.
Harshavardhana was the emperor of the Gupta Empire who ruled from 606 to 647. He was a powerful ruler who expanded the Gupta Empire to its greatest extent. However, he did not build the Fort of Gohana.