Answer:
D. Metaphor
Explanation
A metaphor is a figure of speech comparing two unlike things without using like or as "Their cheeks were roses" is a metaphor.
Having a wavelength shorter than that of the violet end of the visible spectrum but longer than that of the x rays
"The Wooly Manner", Story by me.
One day there was a sheep, but not some ordinary sheep. This sheep was named Barnabuss, but the special thing was that he could sing. The other sheep in it's (pack?) got jealous, and started to make plots to murder(or assassinate) him. Barnabuss had been saving lots of coins to buy a new Home. He had met with one of his friends, whom said "I'd be happy to help you Barnabuss, after all, you saved my life".
I think you get the idea of where this is going.