这题应该怎么分析

kolo

6. Unlike the lives of Pushkin, Gogol, Tolstoi, and
Dostoevski, subjects of other Troyat biographies,
Chekhov belongs to the twentieth century, an age of
fretfulness and melancholy skepticism.

(A) Unlike the lives of Pushkin, Gogol, Tolstoi, and
Dostoevski, subjects of other Troyat biogra-
phies, Chekhov belongs
(B) Chekhov, unlike the other Troyat biographies
of Pushkin, Gogol, Tolstoi, and Dostoevski,
belongs
(C) The life of Chekhov, unlike the lives of the
subjects of other Troyat biographies,
Pushkin, Gogol, Tolstoi, and Dostoevski,
belongs
(D) Chekhov and his life, unlike that of the other
Troyat biographies--- Pushkin, Gogol,
Tolstoi, and Dostoevski, belong
(E) The life of Chekhov, unlike that of other Troyat
biographies of Pushkin, Gogol, Tolstoi, and
Dostoevski, belongs

答案是C，SUBJCTS 在这里是是么成分？

Louisa_xy

我想 subjects of other Troyat biographies 是the lives of Pushkin, Gogol, Tolstoi, and Dostoevski的同位语。
句子的意思-Pushkin, Gogol, Tolstoi, and Dostoevski的生活是Troyat传记的主题，与之不同的是Chekhov的生活属于二十世纪，....。
其他选项的比较对象都不具可比性。