Answer:
B. a photo of a dried-up lake and a photo of a family swimming in the lake before it dried up
Step-by-step explanation:
This would most likely touch the viewer's emotions because of the family swimming in the lake. It would likely sadden the viewer if he/she sees that the lake once enjoyed by the family is now dried up. The family can no longer enjoy swimming in the lake. Families are often a very important part of people's lives, so people may easily get emotional about family related topics. This is related to global warming, since it can cause lakes to dry up, along with many other issues.
Here's a photo of Edge just incase.