How can the main idea of a text help a reader identify the theme?

A:By identifying the main idea of a text, a reader will find the explicit statement that is the theme.
B:By inferring the main idea of a text, a reader will understand what will happen next in the text.
C:By connecting the main events of the story, a reader can conclude what lesson the author is implying about those events.
D:By determining the main events, a reader can understand what those characters are thinking.

C: By connecting the main events of the story, a reader can conclude what lesson the author is implying about those events.