The Dashavatara Temple at Deogarh is a landmark in the evolution of Indian temple architecture. Which of the following architectural features is uniquely associated with this temple?

Options:

• A: It is a rock-cut cave temple dedicated to the ten incarnations of Lord Shiva, featuring a massive monolithic Nandi at the entrance.
• B: It is one of the earliest surviving panchayatana style temples with a curvilinear shikhara and elaborate carved doorjambs depicting Ganga and Yamuna.
• C: It is a circular brick temple built on an octagonal plan, representing the transition from early wooden structures to stone architecture.
• D: It features a flat-roofed sanctum without any superstructure, surrounded by a pillared portico on all four sides.

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