I say
C.<span>refuge, inhabited, dog, mule</span>
I would say C. a poem that tells a story
D it caused a rise of scurvy which occurs when not enough vitamins are taken
I believe its both but if I had to choose one I'd say
you should not chew gum in class because it's rude
Why:
It makes it look like your uninterested and not listening
If you have a cell phone yes, most students would use it for social media but it may also be used for school related topics.