Which sentence in paragraphs 17–20 indicates that not everyone in the Bingley household is hostile toward Elizabeth?
(17) "Do you prefer reading to cards?" said he; “that is rather singular.”
(18) "Miss Eliza Bennet," said Miss Bingley, "despises cards. She is a great reader and has no pleasure in anything else."
(19) "I deserve neither such praise nor such censure, " cried Elizabeth; "I am not a great reader, and I have pleasure in many things."
(20) "In nursing your sister I am sure you have pleasure," said Bingley; "and I hope it will soon be increased by seeing her quite well."