Respuesta :
C. A common feature of functional text is the use of diagrams, charts, or illustrations
The correct option is c.
Functional texts are those that are intended to help the reader to complete a task. They are called functional since they help to execute a function satisfactorily. Functional texts are very common in our day to day. This type of text not only serves to give instructions, but also offers indications, advice and recommendations that facilitate the performance of a person.
Depending on the size of the functional text and the characteristics of the instructions, the following are used: subtitles, numerations, different graphic resources such as illustrations, colors, paintings, drawings, arrows, ovals, pictures, colors, among others.