（1）     GWD-11-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.

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

2. Marconi conceived of the radio as a substitute for the telephone, a tool for private conversation, but which is

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

4. Marconi conceived of the radio to be a tool for private conversation, a substitute for the telephone, which has become

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

看到这个题目出现了两次载jj上面，请问一下到底是哪个是正确答案，c or e? thanks!!!

我查了，没找到定论的答案。

倾向 C 。昨天看过这题，也查过字典。

但欧不是nn~~