18.
The answer is: D
Explanation
The correct option is D: Dadabhai Naoroji.
He is known as the "Grand Old Man of India" because of his prominent role in the Indian independence movement and his contributions to the field of economics.
He was also the first Asian to be elected to the British Parliament in 1892.
He served as the president of the Indian National Congress three times and advocated for the rights and welfare of the Indian people.
He was a respected leader, scholar, and writer who influenced many other freedom fighters such as Mahatma Gandhi and Gopal Krishna Gokhale.