Consider the following statements regarding the architectural and structural aspects of early Pataliputra: 1. The initial fortification of Patali-grama was initiated by Ajatashatru's ministers, Sunidha and Vassakara, to repel Vajji attacks. 2. Udayin constructed a royal palace and a Jain temple (Chaityagriha) at the center of the new capital. 3. The early structures of Pataliputra were predominantly made of stone, similar to the cyclopean walls of Rajgir. Which of the statements given above is/are correct?

Options:

• A: 1 and 2 only
• B: 2 and 3 only
• C: 1 and 3 only
• D: 1, 2 and 3

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