Read the sentence below to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. Choose the option with that part as your answer. If there is no error, choose 'D' as your answer. (Ignore the errors of punctuation, if any).
Every motorist knows road signs---whether symbols or colour codes--- have an immediacy that neither the spoken nor the written word can match.
Every motorist knows
road signs---whether symbols or colour codes--- have an immediacy
that neither the spoken nor the written word can match.
No error.
Correct answer is D
No explanation has been provided for this answer.