Answer: c) Customer relationship management
Explanation: Customer relationship management (CRM) is the strategy of maintaining the interaction of the business companies with the customer and make them their potential customer by improving the relation with them.
"Sugar" is also a CRM helps in the flow of marketing techniques, customer services, sales etc in respect with the customer.
Other options are incorrect because enterprise resource planning(ERP) helps in the management of business with the help of software, supply chain management(SCM) is used for the management of the product flow from source to the customer and artificial intelligence processing(AI) is the processing of work with human intelligence by means of machine.Thus , the correct option is option(c).