The answer is before because prefix of pre is before. For Example preheat
Hiking along the trail, the Grand Canyon came into view.
I could see that I had a flat tire walking toward the car
Maybe...
"When you see the dankest of memes"
the answer should be D. Because the above answers give us statements outlining their point of the essay, such as "Celebrities don't set good examples for children."
The tense is all mixed up, but it looks like present is used most often, so "emitted" should be changed to "emits" and "pulled" should be changed to "pulls." I can't see the entire paragraph so just make sure that's consistent.
You don't need a comma in "running towards us with the fire extinguisher."
"Your mother and me" should be "Your mother and I." For reference try taking our "your mother" - it sounds pretty silly to say "me thinks" unless you're in the 1600s, right? And it should be "think" instead of "thinks."