The correct answer is option C, which states that the time of rule of Ananga Pala was from 1050 to 1080.

Ananga Pala was a ruler of the Pala Dynasty, which was a prominent dynasty in the Indian subcontinent during the medieval period. Let's delve into the details of Ananga Pala's rule.

1. Introduction to Ananga Pala:
Ananga Pala was the son of Ramapala, who was the last great ruler of the Pala Dynasty. Ananga Pala succeeded his father as the ruler of the dynasty.

2. The Pala Dynasty:
The Pala Dynasty was established by Gopala in the 8th century and reached its peak under Dharmapala in the 9th century. The dynasty was known for its patronage of Buddhism and its contributions to art, literature, and education.

3. Ananga Pala's Rule:
Ananga Pala ascended to the throne after the death of his father, Ramapala. His rule lasted from 1050 to 1080, according to historical records. During his reign, Ananga Pala faced several challenges and invasions from other regional powers.

4. Challenges and Invasions:
Ananga Pala had to deal with invasions from the Chola Dynasty, which was a powerful dynasty in South India. The Cholas launched military campaigns against the Pala Dynasty, aiming to expand their influence. Ananga Pala successfully repelled these invasions and maintained the territorial integrity of the Pala Dynasty.

5. Contributions and Legacy:
Despite the external challenges, Ananga Pala continued the patronage of Buddhism and promoted education and learning. The Pala Dynasty was known for its support of the Nalanda University, which was a renowned center of learning during that time. Ananga Pala's rule saw the flourishing of art, literature, and architecture.

In conclusion, Ananga Pala ruled the Pala Dynasty from 1050 to 1080. His reign was marked by challenges from the Chola Dynasty, but he successfully defended his kingdom and continued the dynasty's legacy of supporting Buddhism, education, and cultural development.