问题
选择题
(2013·西安一检)There are many new central leaders in China now, ________ many once worked in the western provinces.
A．in which
B．of whom
C．in whom
D．for whom
答案
答案：B
B 句意：如今在中国出现了许多新的中央领导人，他们中许多人都曾在西部省份工作。先行词是人，应用关系词whom引导定语从句；表所属，应用of。