Use the outline of The Age of Humans below to answer the question.
How could an author write a closing statement for the explanatory text so that the reader feels challenged?
(1 point)
A. by using keywords in the introduction so the reader can form their own opinions and make a connection to the beginning of the text
B. by sharing a relevant quote from an expert that further explains the impact that this type of problem can have on the people of all time periods
C. by giving a metaphor or analogy that relates to the specific topic provided in the text
D. by suggesting that people in today's world can learn the effects of drought by continuing to study how ancient people dealt with it