A line graph showing the daily change of gasoline prices over the past month
The answer would be D) all of the above, since the sentences all use a physical thing such as the color black, or water to represent something deeper than it's literal meaning.
A literary form that illustrates profound moral and spiritual meaning is called AN ALLEGORY.
An allegory can be in form of a story or a poem, which usually has hidden interpretations or symbolic meaning and which often offers moral or spiritual lessons. Allegory is considered to be an extended metaphor because it represents a thing that stands for something else.
I set my books on my desk every evening to remind me to read.
If I am correct that should be the right answer
Bandwagon, because he's hopping on board with reviewers and bloggers.