问题
选择题
The Qing Dynasty (AD1616-1911) had ten emperors altogether, nine _____ are buried in the two groups of tombs in Hebei Province.
A．of that
B．of whom
C．that
D．which
答案
答案：B
考查定语从句。先行词是emperors，nine _____表示皇帝中的九个，用介词of，that不能和介词连用，所以选B。