This is the writer,_____the book was written three years ago.
问题描述：
This is the writer,_____the book was written three years ago.
A.who B,of whom c.whom D.whose
选哪个?
答
B
相当于the book of the writer
如果用whose 就要去掉the
但用who少了表从属的介词
whom在从句中做宾语,如whom the professor has talked to