Read the following text and answer the questionbelow!
A young man jumped into a river yesterday morning to
save a twelve year-old boy. The boy was swimming in
the river, but its current was too strong for him. He
shouted out for help.
The young man was riding across the bridge on his
bicycle. He quickly got off and jumped into the river
with all his clothes on. He swam to the boy and brought
him to safety. The boy thanked the young man, and ran
off down the road. He climbed over a gate before
disappearing over the top of a hill.
Many people were looking on and asked the young man
what his name was. He said: "why should I give you my
name? If I want to help the boy, that's my business. “He
then ran back to the bridge, got on his bicycle and rode
away.
Why was the boy trapped in the river flow?​