What does the author include to convince the reader that he or she should try saving water in the bathroom? A.
The author argues that saving water outdoors is far too difficult for most people.
B.
The author includes a direct comparison of indoor water usage to outdoor water usage.
C.
The author quotes a conservation expert who studies water usage in the household.
D.
The author cites a statistic about the amount of water that is used in the bathroom.