Answer:
B. They are facts, statistics, and examples that support the main idea.
Step-by-step explanation:
In the elaboration of a text, it is always necessary to support information with relevant data such as facts, figures and statistics, since these provide to the reliability of the text in question. In this way, all these elements in the content of a text , known as supporting details, help the reader understand the general idea by making it clear, giving a description and argument, and also explaining.