Marshmallows are probably so delicious because of several important factors. They are fluffy, soft, and oh-so sweet. They melt in your mouth and taste absolutely heavenly with chocolate and graham crackers. Or throw a couple in your hot chocolate. There's no wrong way to eat them and they're pretty cheap too.
I'm thinking it might be fossil evidence. Hope it helps!
Muscle Cells are known to have the greatest number of mitochondria.
The answer to your question is C!