What quotation most effectively expresses the concept that learning to read and write set douglas on a path to freedom

a the more i read, the more i was led to abhor and detest my enslavers
b freedom now appeared, to disappear no more
c the reading of these documents enabled me to utter my thoughts, and meet the arguments brought forward to sustain slavery
d that very discontentment which master hugh had predicted would follow my learning to read had already come