听下面一段材料，回答第1-4题。 1. What sort of childhood did the man have? A. He was always on the move. B. He was happy and carefree. C. He had a lot of problems. 2. What do you know about the man when he was around 16? A. He preferred to speak German. B. He came back to England. C. He stopped learning French. 3. How many foreign languages did the man once know?. A. One. B. Two. C. Three. 4. What language did the man finally use for his work? A. English. B. French. C. German