几个高中老师又为了这道变态题一言不合，大打出手，扭成一团。。。。。。
Titled Pain, the book contains 51 poems, _________ written in the past three years, Zhao told China Daily in Beijing.
A. most of which
B. most of them
C. most of what
D. most of it
Titled Pain, the book contains 51 poems, _________ written in the past three years, Zhao told China Daily in Beijing.
A. most of which
B. most of them
C. most of what
D. most of it
