The singer-songwriter was a surprise choice for the award, which credits Dylan for "new poetic expressions within the great American song tradition".
The Swedish Academy says it has failed to speak to the 75-year-old since it made the announcement on 13 October (2016).
Academy member Per Wastberg said Dylan's lack of reaction to the award was predictable but disrespectful. "One can say that it is impolite and arrogant," he told Swedish newspaper Dagens Nyheter.
"He is who he is."
A short mention of the honour was posted on Dylan's website almost a week after the announcement, but it was later removed.
The songwriter's official Twitter and Facebook accounts also published brief mentions of the award.
Barack Obama took the time to congratulate Dylan, writing on Twitter that the Nobel was "well-deserved". Dylan's muted reaction to the award has prompted speculation that the musician would not attend the prize-giving ceremony in Stockholm on 10 December (2016).
But Swedish Academy permanent secretary Sara Danius said she was "not at all worried". She told Swedish state radio SR: "I think he will show up. "If he doesn't want to come, he won't come. It will be a big party in any case and the honour belongs to him."
Adapted from: <http://news.sky.com/story/bob-dylans- -nobel-prize-reaction-arrogant-10627756>.
What does this passage mainly discuss?
