Correct option is D
Harshacharita is a historical biography written by Banabhatta, an Indian scholar and writer, during the 7th century. The book is about the life of Harsha Vardhana, the ruler of the Harsha dynasty.
Banabhatta also wrote Kadambari, another notable work, which is a prose romance.
The text of Harshacharita is considered an important source for understanding the Sanskrit prose and the political landscape of ancient India.
Additional Information:
Harisena: A court poet of King Samudragupta, known for writing Prayag Prashasti, a chronicle of Samudragupta's reign.
Amarasimha: A renowned scholar and author, best known for his work Amarakosha, a thesaurus of Sanskrit.
Vararuchi: A scholar who contributed to Sanskrit grammar.