Question

In order to set apart a nonessential element in the middle of a sentence, the comma(s) must __________.

Answer 1

Answer:

The last option

Explanation:

Answer 2

The commas must be placed both before and after the nonessential element. For example...

My mom, who hates cooking, ordered takeout.

"who hates cooking" is the nonessential element, and you can see that a comma goes before and after it.