In each of the questions given below, read each sentence carefully to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. Mark the part with the error as your answer. If there is no error, mark ‘No error’ as your answer.
A. Hardly had the regulatory authorities implemented
B. the revised framework when the market responded
C. with unexpected volatility, raising concerns about
D. the effectiveness of such interventions in the future. E. No erro