C: concrete nouns and active verbs contribute to clarity and impact in quality writing.
Population .. or economic loss from motor vehicle crashes
Answer:
The definition of epigraph according to the Merriam-Webster dictionary is "an engraved inscription."
The sentence which uses correct punctuation is C. In time, of course, all issues get resolved, but not necessarily in the way you would like.
In A, the comma before <em>he was concerned </em>should be a dash. In B, there should be a colon before <em>a flashlight, </em>not a semi colon. In D, there should be a comma before <em>yet, </em>and not a colon.
