The sentence "Boy bands, from The Beatles to the Backstreet Boys to BTS, have been popular since the 1950s." is the correct option.
An appositive sentence is placed between two commas and explains the term placed before the first comma. Therefore, we can see that in the sentence selected above, the positive sentence is "from The Beatles to the Backstreet Boys to BTS" which explains what boybands are.
Learn more about appositive phrases at the link:
https://brainly.com/question/1800394
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