The official language of Goa is Konkani. It is a member of the Indo-Aryan language family and is spoken by about 1.5 million people in India, including the majority of the population of Goa. Konkani is written in the Devanagari script.
Kannada is a Dravidian language spoken by about 60 million people in India, including the majority of the population of Karnataka. Kannada is written in the Kannada script.
Marathi is an Indo-Aryan language spoken by about 80 million people in India, including the majority of the population of Maharashtra. Marathi is written in the Devanagari script.
English is an Indo-Aryan language spoken by about 1.3 billion people worldwide, including about 5 million people in India. English is the official language of India and is used in government, education, and business.
The correct answer is A. Konkani.