Answer: D) To make complex information easy to understand.
Explanation: The purpose of a procedure is to tell the reader how to do or make something. In a procedural text the information is presented in a logical sequence of events, which is broken up into small sequenced steps. From the given options, the one that represents one of the goals of a procedural text is the corresponding to option D: To make complex information easy to understand (in this way the reader can follow the steps).