OG: Although the company’s executives have admitted that there had been accounting

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Although the company’s executives have admitted that there had been accounting irregularities involving improper reporting of revenue, as well as of failure to record expenses, they could not yet say precisely how much money was involved.

A. the company’s executives have admitted that there had been accounting irregularities involving improper reporting of revenue, as well as of failure to record
B. the company’s executives admitted that there had been accounting irregularities involving improper reporting of revenue and failure to record
C. the company’s executives, admitting accounting irregularities involving improper reporting of revenue and failure in recording
D. admission by the company’s executives was made of accounting irregularities involving improper reporting of revenue and failure in recording
E. admission by the company’s executives that there had been accounting irregularities involving improper reporting of revenue and failure in recording

B