Well a paragraph is a group of sentences that center around a topic or Central Idea So the answer would be B because if the story is about space and a there is a paragraph about horses that isn't a proper essay and you always need to stick with a central idea to get an A+
LOL. As there is 26 letters in the alphabet there is no middle !
the life lesson or the moral of the story .
The simple predicate is "are interested".
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.