- 试题详情及答案解析
- Nowadays, more and more people are using private cars, ________ has caused a lot of traffic problems, especially in large cites like Beijing and Shanghai.
- 答案：B
- 试题分析：考查非限制性定语从句。此句为非限制性定语从句，先行词为整个主句，用which引导，which在从句中作主语。句意：如今，越来越多的人在驾驶私家车，这种情况引发了更多的交通问题，尤其是在北京和上海这样的大城市。答案为B。
考点：考查非限制性定语从句