The correct answer is: C. Bhojpuri
Firangiya and Batohiya are written in the Bhojpuri language. Bhojpuri is an Indo-Aryan language spoken in the Indian states of Bihar, Jharkhand, Uttar Pradesh, and Madhya Pradesh, as well as in the eastern Terai region of Nepal. It is also spoken by significant populations in the Indian states of West Bengal, Assam, Odisha, and Chhattisgarh. Bhojpuri is a member of the Eastern Hindi language group, and is closely related to the languages of Maithili, Magahi, and Angika.
Bhojpuri is a tonal language, with three tones: high, low, and falling. It has a complex system of verb conjugation, with different forms for different tenses, moods, and aspects. Bhojpuri also has a rich vocabulary, with words borrowed from Sanskrit, Prakrit, Persian, Arabic, and English.
Bhojpuri is a literary language, with a long history of written literature. The earliest known Bhojpuri text is the Ramayana, which was written in the 12th century. Bhojpuri literature flourished in the 16th and 17th centuries, with the works of poets such as Kabir, Tulsidas, and Raskhan. In the 19th century, Bhojpuri literature began to be influenced by Western literature, with the works of writers such as Premchand and Phanishwar Nath Renu.
Bhojpuri is a spoken language, with a large number of dialects. The most common dialects are Awadhi, Bhojpuri proper, Chattisgarhi, and Magahi. Bhojpuri is also spoken in a number of different registers, from the formal to the informal.
Bhojpuri is a vibrant and living language, with a rich history and culture. It is spoken by over 40 million people worldwide, and is one of the most important languages of India.