Read these lines: "Very soon after I went to live with Mr. and Mrs. Auld, she very kindly commenced to teach me the A, B, C. After I had learned this, she assisted me in learning to spell words of three or four letters. Just at this point of my progress, Mr. Auld found out what was going on, and at once forbade Mrs. Auld to instruct me further, telling her, among other things, that it was unlawful, as well as unsafe, to teach a slave to read." According to the quoted lines, the lessons stopped because

1. The quoted lines show the lessons moving forward, from the letters to spelling short words. 2. They then name the interruption: her husband found out and at once forbade her to instruct the learner further. 3. His stated grounds were that teaching a slave to read was unlawful as well as unsafe. 4. An order from her husband is option C, and nothing in the quoted lines points to distance, ability or the learner's own wish. _Source: Frederick Douglass, Narrative of the Life of Frederick Douglass (1845), public domain_