6.How did Douglass measure the kindness of his masters?

When farmers have a troublesome slave, they send him to Covey. ... He spends all his time sneaking around trying to catch his slaves shirking their work, and he's really good at it. Douglass tells us that none of the slaves ever knew where he would pop up next—Covey was that dedicated, ruthless, and cunning.

Explanation:

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the answer is b. the tomb is underground and dark, and its opening is covered by a heavy grate.