The factory produced many famous cars none of shipped to foreign countries.A. themB. whic

问题补充：

The factory produced many famous cars，none of shipped to foreign countries.

A. them

B. which

C. it

D. what

答案：

A. them

B. which

C. it

D. what

解析：A

解析句意为：这家工厂生产了很多名车，但没有一辆被运到国外去。them指代前面的cars，此题容易误认为是一个非限制性定语从句。但此处shipped是一个过去分词，逗号后面的部分是一个独立主格结构。如果在shipped前面加was，则应该选B项，构成非限制性定语从句。