根据短文理解，从A、B、 C、D四个选项中选择最佳答案填空。

    Mrs. Green lives in the country, and she doesn't know London very well. One day, she goes to London, but she can't find her 1. Just then, she 2 a man near the bus stop. "I can ask him the way," she 3. Then she goes over to the man and asks, "Excuse me, will you please 4 me the way to King Street?" 5 the man doesn't say anything. He is 6 Cuba. He doesn't speak  7. He comes to London for a 8. He takes out a 9 and writes something on it. Then he 10 it to Mrs. Green, "Sorry, I can't speak English."