Read the excerpt from an article published by the Centers for Disease Control and Prevention.

Drinking water can prevent dehydration, a condition that can cause unclear thinking, result in mood change,
cause your body to overheat... and kidney stones.
Which personal connection is most relevant to the topic? A. I read in a medical book that kidney stones can be very painful for a person
B. I have tried to drink more water, but I just prefer something with some flavor.
C. Yesterday when I was at the train station, I saw them installing stations for refilling water bottles. D. The other day, I did not drink much water, and I struggled to focus on my math homework.