Is there any picture in picture D? If no, I would make up some thing like:
Then I picked up the $500 note and gave her back. She appreciated me and bought me a meal.
Then the whole story can be:
One day, I walked in the street. It was rainning. Then I ran into a fast food shop to seek shelter. Suddenly, I saw a lady who dropped a $500 not on the ground. I picked it up and gave her back. She appreciated me and beought me a meal.