Q10:
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.
Marconi’s conception of the radio was as a substitute for the telephone, a tool for private conversation; instead, it is
Marconi conceived of the radio as a substitute for the telephone, a tool for private conversation, but which is
Marconi conceived of the radio as a tool for private conversation that could substitute for the telephone; instead, it has become
Marconi conceived of the radio to be a tool for private conversation, a substitute for the telephone, which has become
Marconi conceived of the radio to be a substitute for the telephone, a tool for private conversation, other than what it is,
这套题的答案混掉了,我选了b conceived of xx as yy 加上 a tool for private conversation和非划线部分平行.
但我就奇怪了 这里but which 可以么? which 能这样指代么? | 
