The correct answer is B. To record his personal experience. The answer is not D. To provide hint for international travel.
Ago poured fire and brimstone on this sinful and shameless generation."
Answer: C.
Explanation:
Dependent clauses are groups of words with a subject and a verb.
However, they are not sentences, because they lack a complete thought.
In this case, "while I was reading last night" possesses both a subject and a verb, but cannot stand on its own - it <em>depends</em> on the rest of the sentence for context.
