Take another look at the item:

You might think (A) that a floor-length dress is conservative (B) until you see the one that Christina wears. (C) A psychedelic swirl of pinks and purples that attracts everyone's attention.

You wanted to do this:

You might think that a floor-length dress is conservative. Until you see the one that Christina wears. A psychedelic swirl of pinks and purples that attracts everyone's attention.

Adding a period after conservative makes a fragment. Until you see the one that Christina wears is a subordinate clause, so it cannot stand alone as a complete sentence.

You might want to review the rules.

Go back to the sentence to try again.

HomeTermsExercises MOOCHandoutsPresentationsVideosRulesAboutShopFeedback