I don't know but imma take a guess QAR
So if you think about the connotations of the words, veils conceal things, sifting implies a kind of search, so I'd say the answer is C. a ghostly, mysterious mood.
You did not put the date of Louis Armstrong, and it has no "these" in between in, and Hollywood.
Answer:
what was that? Or what’s that!
Explanation: