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).
It is the duty of every citizen to do his utmost to defend the hardly-won freedom of the country.
It is the duty of every citizen to do his utmost
to defend the hardly-won
freedom of the country.
No error.
Correct answer is B
to defend the hard-won