Blood Services as Flextime,consulting,telecommuting,and Downsizing Make It More Difficult for People to People

Blood Services
As flextime,consulting,telecommuting,and downsizing make it more difficult for people to donate blood at the workplace,Brooklyn/Staten Island Blood Services has launched a CRM marketing campaign to boost awareness and repeat donations.Early in the campaign,it went to its listings of previous donors and pulled out those with birthdays in February,March,and April.These donors were sent a birthday card with the greeting,"On the anniversary of your life,would you consider saving another's life?"
-Refer to Blood Services.The information about past donors is stored in the organization's:

A) integration systems.
B) information repository.
C) data mine.
D) database.
E) Spreadsheet.