Knowing(A) the potential consequences of his actions, the whistleblower, who had worked at the company for years,decided(B) to expose the internal fraud,leading(C) to a federal investigation and ultimatelyresulted(D) in numerous arrests.

Frasa "leading to a federal investigation" adalahparticipial phraseyang harus tetap paralel dalam strukturnya. Namun, frasa ini diikuti oleh kata kerja "resulted" yang merupakan bentuk pastsimple, sehingga tidak paralel. Seharusnya digunakan "ultimately resulting" agar tetap dalam bentukparticiple.Jawaban: D