The following sentence has been divided into parts. One of them contains an error. Select the part that contains the error from the given options.
It have been only / through writing / that men have been able / to spread their ideas to mankind.
to spread their ideas to mankind
to spread their ideas to mankind
that men have been able
that men have been able
It have been only
It have been only
through writing
through writing
Correct Answer:
It have been only