How does the repetition of the following phrase “the angel of the lord came down to the and blessed them”

It illustrates that the Angel blessed the brothers for their kind actions, in contrast to the later events of the story.
Option D
Explanation:
The Angel of the Lord came down to them and blessed them, from this phrase one can clearly develop the plot of the story since it illustrates that the Angel blessed the brothers for their kind actions, in contrast to the later events of the story.
They must have obviously committed some good karma because of which the Angel blessed them irrespective of the later actions performed. The statement ‘ Angel blessed the brothers for their kind actions’ proves their good deeds and actions.