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"I was born a slave; but I never knew it till six years of happy childhood had passed away. My father was a carpenter, and considered so ntelligent and skilful in his trade, that, when buildings out of the common line were to be erected, he was sent for from long distances, to be head workman. On condition of paying his mistress two hundred dollars a year, and supporting himself, he was allowed to work at his trade, and manage his own affairs. His strongest wish was to purchase his children; but, though he several times offered his hard earnings for that purpose, he never succeeded."
--from Incidents in the Life of a Slave Girl by Harriet Jacobs

According to the excerpt, Jacobs' father, more than anything, wanted
A. to be able to make more money as a carpenter.
B. to purchase his children so that they would not be slaves.
C. to be trained as an apprentice to more accomplished carpenters.
D. to buy his freedom and no longer have to pay his owner part of his wages.