Final answer:
Frederick Douglass worked to discredit the use of the Bible to justify slavery, which makes the answer to the student's question a) True.
Step-by-step explanation:
Frederick Douglass did indeed work to discredit the use of the Bible to justify slavery. He was an outspoken critic of slavery and argued against the interpretation of the Bible that legitimized it. Douglass believed that slavery was counter to the core principles of Christianity and that the pro-slavery interpretations of the Bible were deeply flawed. Meanwhile, influential figures like David Brion Davis have written about the misuse of biblical narratives, such as the 'Curse of Ham', to rationalize and uphold slavery, especially in the antebellum South.
Considering that the question is focused on whether Douglass worked against the use of the Bible to justify slavery, the answer is a) True.