Answer: d) G2C
Explanation: G2C (Government to citizen) is the concept that determines the relationship for sharing data or any sort of service between public administration body and the citizen .G2C provides the service like official document or papers to the citizen, etc.
Other options are incorrect because B2B(Business-to-business) is the relationship between two business parties,B2C(Business-to-customer) is the relationship for the for sharing data and resources between business party and the consumer .
G2B(government-to-business)is the model where the government provides service to the business companies and parties.Thus, the correct option is option(d).