Which of the Following Statements Holds True of E-Mail Marketing

Which of the following statements holds true of e-mail marketing?

A) In order to generate leads, firms may purchase lists of potential contacts, including their email addresses.
B) The firm e-mails opportunities, offers and invitations to potential customers.
C) If the e-mail garners interest, the customer may respond to the firm.
D) The salesperson contacts the lead, if customer shows interest in firm's offers and invitations.
E) The salesperson contacts the prospects irrespective of their interest in offers and invitations.