Read the excerpt from Narrative of the Life of Frederick Douglass. "I was now left to my fate. I was all alone, and within the walls of a stone prison. But a few days before, and I was full of hope. I expected to have been safe in a land of freedom; but now I was covered with gloom, sunk down to the utmost despair."

4. the excerpt is considered a personal narrative because?
A. it includes the author's memories and impressions. (I chose this)
B. it includes important historical facts and details.
C. it includes researched facts about a famous person.
D. it includes fictional information and illustrations.

(1) fire extended humans’ geographical boundaries by allowing them to travel into regions that were previously too cold to explore. (2) it also kept predators away, allowing early humans to sleep securely. (3) fire, in fact, has been a significant factor in human development and progress in many ways. (4) other obvious benefits of fire are its uses in cooking and in hunting. (5) probably even more important, however, is that learning to control fire allowed people to change the very rhythm of their lives. (6) before fire, the human daily cycle coincided with the rising and setting of the sun. (7) with fire, though, humans gained time to think and talk about the day’s events and to prepare strategies for coping with tomorrow. the sentence that expresses the main idea is: (type the number of the sentence. then click “go.”)