The correct option is B Coastal Andhra
The Telugu language was spoken in three different regions. These were mainly Telangana, Coastal Andhra, and Rayalseema region.
Coastal Andhra consisted of a language which was more influenced by Sanskrit and also Sanskritic culture had a greater influence.
This region was under British rule in the 19th century, because of which more people had access to English education. This resulted in a rapid modernisation of the region.
This region was a plain land consisting of many deltas with well-developed canal irrigation system, catering to all the agricultural activities.