The excerpt from the passage that best supports the author's claim that his education led to his discontentment is B. "I was now about twelve years old, and the thought of being a slave for life began to bear heavily upon my heart. Just about this time, I got hold of a book entitled 'The Columbian Orator."
This refers to the use of evidence to show that a claim is valid through the use of factual or statistical information.
Hence, we can see that from the given excerpt, Frederick Douglass talks about the importance of education and how it made him disillusioned with being a slave and option B best states this,
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