The factory produced many kinds of bikes, none of ___ __ shipped to foreign countries. A．them B．which C．that D．what
| A |
| 考查独立主格结构。两部分之间没有连接词，说明逗号后面的部分不是句子，是短语。是独立主格结构。独立主格结构none of them shipped to foreign="none" of which was shipped to foreign countries.故A正确。 |