急!一道英语选择题,麻烦各位了It's a family of three children, ________ are
急!一道英语选择题,麻烦各位了
It's a family of three children, ________ are ________ the Internet.
A. all of them; fond of B. both who; made up of
C. all of whom; addicted to D. all which; satisfied with
为什么选C,不选A呢,这里有什么词组或语言点吗?讲详细点,谢谢!