With a lot of children noise around the students couldn’t concentrate their attention on

问题补充：

With a lot of children noise around, the students couldn’t concentrate their attention on what they were learning.

A. to make

B. making

C. made

D. were making

答案：

A. to make

(答案→)B. making

C. made

D. were making

解析：考查with复合结构。With的复合结构：with+宾语+宾语补足语；如果做宾语的名称与宾语补足语构成主动关系，使用现在分词的形式；如果二者构成被动关系，就使用过去分词的形式。同时宾语补足语还可以使用形容词，副词，介词等多种形式。本题的a lot of children与make之间构成主动关系，故使用现在分词的形式。句意：因为有很多的孩子在周围弄出了很多的噪音，那些学生没有办法把自己的注意力集中在他们正在学习的内容上。故B正确。