Read the excerpt below and answer the question. She was by trade a weaver; and by constant application to her business, she had been in a good degree preserved from the blighting and dehumanizing effects of slavery. I was utterly astonished at her goodness.

What can be inferred from Douglass's describing his new mistress as "preserved from the blighting and dehumanizing effects of slavery" in this excerpt from Narrative of the Life of Frederick Douglass, An American Slave? Select all that apply.

A. He was young and still easily astonished.

B. Her goodness made her unique compared to most slave owners.

C. Slavery had a dehumanizing effect on slave owners as well.

D. Most slave owners did not apply themselves enough to their businesses.