Which lines in this expert from jane austen’s pride and prejudice illustrates miss bingleys growing dislike for elizabeth bennet?

This is the rest of the excert, Idk why he left this out but here ya go, you can answer in this comments.

"Your picture may be very exact, Louisa," said Bingley; "but this was all lost upon me. I thought Miss Elizabeth Bennet looked remarkably well when she came into the room this morning. Her dirty petticoat quite escaped my notice."

"You observed it, Mr. Darcy, I am sure," said Miss Bingley;"and I am inclined to think that you would not wish to see your sister make such an exhibition."

"Certainly not."

"To walk three miles, or four miles, or five miles, or whatever it is, above her ankles in dirt, and alone, quite alone! What could she mean by it? It seems to me to show an abominable sort of conceited independence, a most country-town indifference to decorum."

"It shows an affection for her sister that is very pleasing," said Bingley.

"I am afraid, Mr. Darcy," observed Miss Bingley in a half whisper, "that this adventure has rather affected your admiration of her fine eyes. "

the author motivation is to show the power of animal-human relationships.