B) The fearsome unstoppable dog barked at us viciously needs a comma after fearsome and before unstoppable
Most probably it's option A, because it sets the environment scary, and what all needed to make the story scary is environment & dialogues
<span />
I think the preposition is the word (about).
Hello there,
The answer is C the varied structure reflects the various ways the food could be used.
Hope this help and if you have any more question please feel free to ask me. Have a nice day!