The correct answer is A. Pushyamitra Sunga.
Pushyamitra Sunga was the founder of the Sunga dynasty, which ruled over the Indian subcontinent from 185 to 73 BCE. He was a general in the army of the last Mauryan emperor, Brihadratha, and assassinated him in 185 BCE to seize the throne. Pushyamitra Sunga was a powerful and successful ruler, and he is credited with restoring order and stability to the Indian subcontinent after the collapse of the Mauryan Empire. He also expanded the territory of the Sunga dynasty, and he is said to have defeated the Greeks in the northwest. Pushyamitra Sunga was a devout Hindu, and he is credited with building many temples and other religious structures. He was succeeded by his son Agnimitra, who ruled from 178 to 151 BCE.
Agnimitra was a successful military commander, and he is said to have defeated the Greeks in the northwest. He was also a patron of the arts, and he is credited with supporting many poets and musicians. Agnimitra was succeeded by his son Vasumitra, who ruled from 151 to 131 BCE. Vasumitra was a weak ruler, and he was overthrown by his minister Pulindaka. Pulindaka ruled for a short time, and he was overthrown by his minister Vajramitra. Vajramitra ruled from 131 to 127 BCE, and he was the last ruler of the Sunga dynasty. The Sunga dynasty was overthrown by the Kanva dynasty in 73 BCE.
The Sunga dynasty was a significant period in Indian history, and it is credited with restoring order and stability to the Indian subcontinent after the collapse of the Mauryan Empire. The Sunga dynasty also made significant contributions to Indian culture and religion.