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
出自GWD+天山30回測驗 第9回之第41題
不太了解 為何係E? , 請指點.