Answer:

The correct answer is option 'B', Lauriya Nandangarh.

The Ashokan Pillar at Lauriya Nandangarh is the one that bore the figure of a peacock (Mayura) and suggested the connection between the Maurya dynasty and the Mayura bird.

Background:
Ashoka, also known as Ashoka the Great, was an Indian emperor of the Maurya Dynasty who ruled from 268 to 232 BCE. He was the third ruler of the Maurya dynasty and is considered one of the greatest rulers in Indian history. Ashoka is known for his conversion to Buddhism and his efforts to spread the teachings of the religion throughout his empire.

The Ashokan Pillars:
One of Ashoka's most notable contributions was the erection of several pillars throughout his empire. These pillars were made of stone and had inscriptions carved on them, containing Ashoka's edicts and teachings. The pillars were strategically placed in important locations to spread Ashoka's message to a wide audience.

Lauriya Nandangarh:
Lauriya Nandangarh is a village located in the Champaran district of Bihar, India. It is known for its archaeological site, which contains the remains of an Ashokan Pillar. The pillar at Lauriya Nandangarh is one of the many pillars erected by Ashoka during his reign.

The Mayura (Peacock) Connection:
The Ashokan Pillar at Lauriya Nandangarh is unique because it bears the figure of a peacock, also known as Mayura in Sanskrit. The peacock has significant symbolism in Indian culture and is associated with various deities and dynasties.

The inclusion of the peacock figure on the Ashokan Pillar suggests a connection between the Maurya dynasty, which Ashoka belonged to, and the Mayura bird. The peacock may have been a symbol of power, royalty, or a representation of Ashoka's patronage of the arts and culture.

Conclusion:
In conclusion, the Ashokan Pillar at Lauriya Nandangarh is the one that bore the figure of a peacock (Mayura), suggesting a connection between the Maurya dynasty and the Mayura bird. This pillar is significant as it showcases the rich symbolism and cultural associations of the Maurya empire under Ashoka's rule.