Which of the Following Portrays the Individualized Service Benefit of a CRM

Which of the following portrays the individualized service benefit of a CRM system?

A) learning how each customer defines product and service quality so that customized product,pricing,and services can be designed or developed collaboratively
B) Web-based interfaces providing product information,sales status,support information,issue tracking,and so on
C) integrating all information for all points of contact with the customers,so that all who interact with customers have the same view and understand current issues
D) integrated information which removes information handoffs,which speeds both sales and support processes
E) improved record keeping and efficient methods of capturing customer complaints,helping to identify and solve problems faster