求助，OG12-106~未划线部分的同位语~

esther小冰

106. Marconi’s conception of the radio was as a substitute for the telephone, a tool for private  conversation; instead, it is precisely the opposite, a tool for communicating with a large, public  audience.

(A) Marconi’s conception of the radio was as a substitute for the telephone, a tool for private conversation; instead, it is

(B) Marconi conceived of the radio as a substitute for the telephone, a tool for private conversation, but which is

(C) Marconi conceived of the radio as a tool for private conversation that could substitute for the telephone; instead, it has become

(D) Marconi conceived of the radio to be a tool for private conversation, a substitute for the telephone, which has become

(E) Marconi conceived of the radio to be a substitute for the telephone, a tool for private conversation, other than what it is,

问题跟选项木有关系，只是疑惑未划线部分的a tool for communicating with a large,  public audience应该是同位语修饰radio吧，但这里木有radio啊，只有the opposite, 难道是修饰the opposite???
求a tool for communicating with a large, public audience的修饰对象。。。

DUKB24

106. Marconi’s conception of the radio was as a substitute for the telephone, a tool for private  conversation; instead, it is precisely the opposite, a tool for communicating with a large, public  audience.

(A) Marconi’s conception of the radio was as a substitute for the telephone, a tool for private conversation; instead, it is

(B) Marconi conceived of the radio as a substitute for the telephone, a tool for private conversation, but which is

(C) Marconi conceived of the radio as a tool for private conversation that could substitute for the telephone; instead, it has become

(D) Marconi conceived of the radio to be a tool for private conversation, a substitute for the telephone, which has become

(E) Marconi conceived of the radio to be a substitute for the telephone, a tool for private conversation, other than what it is,

问题跟选项木有关系，只是疑惑未划线部分的a tool for communicating with a large,  public audience应该是同位语修饰radio吧，但这里木有radio啊，只有the opposite, 难道是修饰the opposite???
求a tool for communicating with a large, public audience的修饰对象。。。

-- by 会员 esther小冰 (2012/10/10 13:48:05)

yes


u r right


the construction is to give more information about the opposite

sisichen666

LZ可以把同位语带进去看，后半句主语是it指代的radio,谓语为become的完成时态，宾语a tool。。。。。。LZB不觉得就是主系表吗？？？it become the opposite，a tool（radio——it——opposite——tool）

esther小冰

对对对，谢啦，恍然大悟啊~~~~~

DUKB24

我怎么记得小冰貌似在梦之队开过贴。。。。