Answer & ExplanationAnswer: [A]
The Kailasa temple, also known as the Kailasanatha temple, at Ellora was built during the reign of King Krishna I of the Rastrakuta dynasty. King Krishna I ruled from around 756 to 774 CE and was a patron of arts and architecture. The Kailasa temple is considered one of the most remarkable achievements of rock-cut architecture in India and is dedicated to Lord Shiva.
Therefore, the correct answer is A) Krishna I.