What does the word "monotone" mean?

Which statement from "letter to his father" is similar to gregor's inability tocommunicate with his father as a bug in the metamorphosis?

3. how could the following sentence be rewritten as an exclamatory sentence? how dangerous was the saber-toothed tiger? a. tell someone how dangerous the saber-toothed tiger was. b. the saber-toothed tiger was dangerous. c. the saber-toothed tiger was dangerous! d. no change is necessary. c. the saber-toothed tiger was dangerous!

Which three lines in this expert from anita desai’s games of twilight clearly show an omniscient narrator