Please answer the following question: Read the article and select the best answer. Article: Sonia has a sports collection. She has ten tennis rackets, seven basketballs, four volleyballs and five soccer balls. She plays tennis every day she is in the school tennis club. Susan also has a sports collection. She has five baseballs, six volleyballs, three ping-pong bats and many ping-pong balls. Oh, she also has two soccer balls. But she doesn't play sports. She only watches them. Sandy doesn't play sports, and she doesn't have balls. Question: Sonia and Susan have _ volleyballs. Options: A: 4 B: 6 C: 10 D: 12
Answer:
C