- 试题详情及答案解析
- Their use was limited by laws, the first dates back to the 14th century.
| A．of which | B．of them |
| C．from which | D．in them |
- 答案：A
- 试题分析:句意：他们的使用受到了法律的限制，这些法律中最早的起源于14世纪。of which引导非限制性定语从句，修饰Their use。表示“……的”用介词of。非限制性定语从句由which引导，不可用them,故选A。
考点：考查非限制性定语从句。