I think they are right ........
Answer:
Second-Class Citizen, written by Buchi Emecheta , tells the story of Adah, a Nigerian woman who overcomes setback after setback in her life due to her being classified as a second-class citizen.
Explanation:
C, a mystery because the sea holds many unknowns
Stations on Earth send signals, while communication satellites beam the signals to another station thousands of miles away.