The correct answer is (C) Madhyama-vyayoga. Here's why:  * Bhasa was an ancient Indian playwright believed to have predated Kalidasa. He is known for his Sanskrit plays, often characterized by their dramatic intensity and focus on emotions. * Madhyama-vyayoga (meaning 'The Middle One') is one of Bhasa's famous plays. It's part of a trilogy and tells a story from the Mahabharata. _Let's look at the other options:_ * Kavyalankara is a work on Sanskrit poetics by the renowned scholar Bhamaha. * Natyashastra is the foundational text on Indian classical dance and drama, attributed to the sage Bharata Muni. * Mahabhashya is a comprehensive commentary on the Sanskrit grammar of Patanjali, based on Panini's Ashtadhyayi.