We finally bought several books by Shakespeare, is one.
A. which of them
B. which of whose
C. of which this
D. and of them
网友回答
A. which of them
B. which of whose
(答案→)C. of which this
D. and of them
解析：分析该句可以看出，this与several books by Shakespeare有所属关系，应用介词of+关系代词which 。故选C。