Question

__with the book I bought yesterday,the one borrowed from the libray doesn't seem interesting.

__with the book I bought yesterday,the one borrowed from the libray doesn't seem interesting.
A,When compared B。While comparing C,comparing

我选的是b，while在这里的意思：不是A和B相比吗？

Answer 1

因为这里省略了it is ,
完整句子是When it is compared with the book I bought yesterday,the one borrowed from the libray doesn't seem interesting.===The one borrowed from the libray doesn't seem interesting when it is compared with the book I bought yesterday.
当与我昨天买的那书相比时，我从图书馆借来的那本似乎不怎么吸引人了。

it是代词，指的就是The one borrowed from the libray ，从图书馆借来的那本书
因为句子的主语是The one borrowed from the libray ，而后面也是同样的主语，这时候相同的主语可以 省略，所以就变成了when compared with....

compared这里是 ed形式，有被动的意味，一般主语是物，例如这里的book
而comparing 是ing形式，有主动的意味，一般主语是人，而且直接是comparing sth.

例如While comparing the book I bought yesterday, I found the one borrowed from the libray doesn't seem interesting.=======I found the one borrowed from the libray doesn't seem interesting while comparing the book I bought yesterday, 这里主语就是人。

C 跟B类似，应该是Comparing the book I bought yesterday, I found the one borrowed from the libray doesn't seem interesting

Answer 2

While这里的意思是：当。。。的时候。

实际上这里考的不是while，而是分词。主语是the one， 也就是书，而不是人。只有人能主动地去比较，所以出现comparing 的选项都是不对的。

书只能被比较，分词要用被动形式compared. 选A.

希望能够帮到你！

Answer 3

应该选A吧。
不看when 还是While,而是看逻辑主语。句子主语是the one,那么它与compare应该是被动关系，所以应该是compared, the one was compared with the book.