Read the excerpt from Roll of Thunder, Hear My Cry. I had gotten as far west as the Dakotas when my silent recitation was disturbed by a tapping on the porch. I lay very still. Mr. Morrison never made sounds like that.

Which detail from the excerpt best helps the reader determine a tone of alarm?

1. saved aronnax from drowning "an incident" 2. speed of the nautilus man-of-war 3. next to captain nemo conseil 4. electricity vigo bay 5. "a coral tomb" 20,000 leagues 6. the nautilus runs aground nemo's "thunderbolt" 7. episodes are connected by aronnax's quarters 8. captain nemo's "bank" cause 9. distance aronnax traveled on the nautilus "a fine death for a sailor" 10. captain nemo sinks for revenge 50 miles per hour