When the Martian cylinder opens in H.G. Wells' "The War of the Worlds," the correct answer is:
B. Many townspeople are killed when toxic gas escapes from the cylinder.
Explanation:
- In the story, when the Martian cylinder opens, it releases a deadly toxic gas that kills many townspeople who are nearby.
- This event marks the beginning of the destructive and deadly actions of the Martians as they invade Earth.
- The toxic gas is a powerful weapon used by the Martians to eliminate any threats or obstacles in their way as they conquer Earth.