] In the book, there is much more of an indication that the sisters actually like Jane. We see that they are genuinely kind to her when they are with her and that even Elizabeth is impressed by their kindness to her.

Lizzy is impressed at first. However, she soon sees that their kindness is entirely superficial...

...Jane was by no means better. The sisters, on hearing this, repeated three or four times how much they were grieved, how shocking it was to have a bad cold, and how excessively they disliked being ill themselves; and then thought no more of the matter: and their indifference towards Jane when not immediately before them restored Elizabeth to the enjoyment of all her original dislike.

and

[Jane] was welcomed by her two friends with many professions of pleasure; and Elizabeth had never seen them so agreeable...But when the gentlemen entered, Jane was no longer the first object...

Though the movie might be slightly over-done, I don't think that either of the Bingley girls truly like Jane.