Final answer:
A control that has a data source in the underlying table is called a Bound Control.
Step-by-step explanation:
The correct answer is B. Bound Control. A bound control is a control that is connected to a data source in the underlying table. This means that the control displays data from the table and allows you to interact with that data. For example, a bound control could be a text box that displays the value of a field from the table, and allows you to edit that value.