Given this text: "Thanks to the influence of the Guptas prior to the fifth century, and, later, of the Palas of Bengal, and the Pallavas and   of Tamil Nadu, much of the art and architecture of the city, palace, and temple reflected Indian cosmology and  aiva or   forms.". Which cefr level fits best: A1, A2, B1, B2 or C1?
c1