单选题We finally bought several

问题补充：

单选题WefinallyboughtseveralbooksbyShakespeare,______isone.A.which of themB.which of whoseC.of which thisD.and of them

答案：

C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。