How does the author of a text develop central ideas?

A. by organizing the text into sections and subsections with headings
B. by stating a central idea at the beginning of each paragraph
C.by building the text around evidence in the form of supporting details
D.by choosing a title that clearly states what the topic is

C. by building the text around evidence in the form of supporting details

The correct answer is C. by building the text around evidence in the form of supporting details. Developing central ideas involves presenting supporting details and evidence that strengthen and clarify the main point or argument.