听下面一段材料,回答1至3题。 1. What happened to Jack's shop? [ ] A. His shop was on fire twice in one month. B. His shop was checked twice in one month. C. His shop was broken into twice in one month. 2. What did the thief take from the shop? [ ] A. Watches. B. Diamond necklaces. C. Clocks. 3. What can we learn from the passage? [ ] A. Jack didn't catch the thief at last. B. The police caught the thief at last. C. The thief didn't find the cheap diamond necklaces.