The book, which for children under 10, was with adults readers.
A. intends, familiar
B. is intended, popular
C. intends, popular
D. is intended, familiar
网友回答
A. intends, familiar
(答案→)B. is intended, popular
C. intends, popular
D. is intended, familiar
解析：考察固定搭配。固定搭配be intended for…为了…；旨在于…；be popular with…受欢迎；be familiar with熟悉…；句意：这本本来为了10岁一下的孩子的书很受成年读者的欢迎。根据句意说明B正确。