Why is it important to evaluate the author's purpose when reading an informational text?

A:It can explain what the author’s opinion is on the information presented.
B:It can highlight the qualifications a writer has in a certain field.
C:It can suggest how the reader should feel about the information in the text.
D:It can help a reader determine what an author wants them to learn from the text.

D: It can help a reader determine what an author wants them to learn from the text.