听下面一段对话,选出最佳选项。对话播放两遍。 1. When did the British Museum open to the public? [ ] A. In 1759. B. In 1753. C. In 1756. 2. How many universities did the woman visit in London? [ ] A. Three. B. Four. C. Five. 3. What is the best time to visit London? [ ] A. Autumn. B. Winter. C. Summer.