Each sentence below is divided into five parts (a), (b), (c), (d), and (e) . Identify the part that contains the error. If there is no error, choose option (e) as your answer. Had the regulatory authorities acted with greater vigilance at the appropriate time (a) / several financial irregularities would have not only been detected earlier (b) / but also could have prevented significant losses (c) / across multiple sectors of the economy (d). / No error (e).