问题
选择题
Eleven people got killed in the accident, ________ the identities haven't been available.
A．whose
B．of whom
C．to whom
D．with whom
答案
答案：B
B 考察定语从句。The identities与eleven people逻辑上构成所属关系，使用介词of+whom引导定语从句，修饰先行词eleven people，故B正确。