Which quotation best describes the way in which masters wanted their slaves to be ignorant? a) by far the larger part of the slaves know as little of their ages as horses know of theirs. b) i have no accurate knowledge of my age, never having seen any authentic record containing it. c) a want of information concerning my own was a source of unhappiness to me even during childhood. d) they seldom come nearer to it than planting-time, harvest-time, cherry-time, spring-time, or fall-time.