The book, ________ for beginners, is popular with students.

The book, ________ for beginners, is popular with students.

A.designs

B.designing

C.designed

D.to design

答案及解析： C

解析：

题意：这本书是为初学者而设计的，很受学生欢迎。空缺处作定语，修饰the book,应用过去分词表示被动关系。