Dashes should be used instead of commas or parentheses when working with additional information in a sentence in which:
<span>C. A dash is used to set off a relatively important aside in a way that grabs the reader's attention. </span> Instead of using parentheses to emphasize a particular point that aids the sentence clarity in meaning, the most efficient punctuation to use is a dash.
Avant-garde means -<span>new and unusual or experimental ideas, especially in the arts, or the people introducing them. So go through your possible answers and pick the best one</span>