Based on the details in the text, what is the best description of Sophia Auld, who was Frederick Douglass's mistress when he was a young boy?

She was cruel and she abused Douglass whenever he broke the rules.

She was kind because she read to him and began to teach him the letters of the alphabet.

She was careless and that is what allowed Douglass to escape slavery.

She was foolish because she did not realize that Douglass was teaching himself to read.