A simple query

retrieves data from one table in a database.

can search only a few records.

sorts records but cannot group them by category.

can be used to answer any simple question about a set of data.

The correct answer is retrieves data from one table in a database. A simple query retrieves data from only one table based on the conditions that you define. This is the defining feature of the simple query. It does not retrieve data from more than one table.