Which of the Following Is True About Customer Relationship Management

Which of the following is true about customer relationship management (CRM) ?

A) For CRM to be successful, the cultural attitude must remain constant in the organization.
B) CRM is defined as managing customer interactions to build brand equity and improve long-term profitability.
C) CRM originally started out as a tool to gauge the company purchases to manufacture consumer demands.
D) The heart of a CRM program is information technology and database systems.