I would go with B, becuz in most stories they use rainy days to create sad mood
Let's look at the answers.
a. trains ---> are there many trains?
b. trains'--> Do many trains have one whistle?
c. train's--> Does one train have one whistle?
The correct answer would be c. There is only 1 train that this is referring to
C, as gods plan to help teach about dangers of sin
