To select both a field label and field value to move in a report design, after selecting the field label press the key to select the field value box.

Shift Key

Explanation: Field label is the components that used for the displaying of the  screen area and field values generate due to default. When these both are to be selected and moved in certain report design then the selection in made by first by selecting the field label and then alternately pressing the shift key to select the default field value. Thus, the field value and field label is moved into the report design.

the answer is c. data centers