The correct answer is D. Identify the main parts of the procedural text.
Step-by-step explanation
The text is about the steps to build a beehive, the author first established two bulleted subheadings. First, there is a bulleted subheading for the materials needed, and secondly a bulleted subheading to establish the procedure to build the beehive. According to the above, the purpose of the bulleted subheadings in the document is to identify the main parts of the procedural text, because it is used to establish the main important aspects as materials and each step to build the beehive.