The correct answer is A. The person who had the real control and power.
Sanjay was the real power behind the throne, meaning that he was the one who actually had the power, even though the monarch was the official ruler. This is evident in the fact that all politicians were aware of this, and that they had to go through Sanjay in order to get anything done.
Option B is incorrect because Sanjay was not the acknowledged leader. The monarch was still the official ruler, even though Sanjay was the one who actually had the power.
Option C is
incorrect because Sanjay was not the person who controlled the monarch. The monarch was still the official ruler, even though Sanjay was the one who actually had the power.Option D is incorrect because Sanjay was not the person who advised the queen. The queen was still the official ruler, even though Sanjay was the one who actually had the power.