Reread this passage from Narrative of the Life of Frederick Douglass, An American Slave.
He said, "If you give a slave an inch, he will take a mile. A slave should know nothing but to obey his master--to do as he is told to do. Learning would spoil the best slave in the world.
What is the denotative meaning of spoil, as it is used in this passage?
A. save
B. persuade
C. ruin
D. endanger