Read this excerpt from Chapter 7 of The Narrative of the Life of Frederick Douglass by Frederick Douglass and answer the question

They both advised me to run away to the north; that I should find friends there, and that I should be free. I
pretended not to be interested in what they said, and treated them as if I did not understand them; for!
feared they might be treacherous. White men have been known to encourage slaves to escape, and then, to
get the reward, catch them and return them to their masters. I nevertheless remembered their advice, and
from that time I resolved to run away.

In the above excerpt, which words best establish immediacy?