I didn’t understand the question
The Correct answer is C. people use the lights to brighten and mask the dreariness of their lives.
Answer:
Because people did not know that yellow fever was caused by the bite of an infected mosquito, they assumed incorrectly that people could catch the disease through touch. To help control the disease, letters were cleaned with vinegar before being sent. This did not work, because it was a false cause-and-effect relationship.
D. Activating Background knowledge
