Let's analyze the text and questions:
A. What happens in spring? The text says "In spring, flowers start to bloom, and the weather becomes warmer." So, option 2 is correct.
B. What do people like to do in spring? The text says "People enjoy spending time outside and having picnics in parks." So, option 3 is correct.
C. Why did Emma's family stop hiking one day? The text says "One day, they had to stop their hike because of heavy rain." So, option 2 is correct.
D. What did Emma's father do during the rain? The text says "Emma's father quickly set up a small tent." So, option 2 is correct.
E. What did Emma's family see after the rain? The text says "After the rain, they saw a rainbow in the sky." So, option 1 is correct.
Answers: