The investigation r_______ that over 70% of the employees agreed to the new scheme.

• A. Revealed
• B. Reported
• C. Reveals
• D. Revealing

Answer: (A)

Tense consistency in reporting findings. The singular subject “The investigation” points to a completed action, so the past tense form “revealed” fits best to show what was found as a result of the investigation. The clause after that—“that over 70% of the employees agreed to the new scheme”—is in past tense, describing a result that was established in the past, so pairing it with the past-tense “revealed” keeps the narrative steady and clear. Using “reveals” would present the finding in the present, which doesn’t align as neatly with a completed study, and “reported” shifts emphasis to who conveyed the information rather than the discovery itself. “Revealing” would require a different sentence structure and doesn’t fit a simple past statement. So the natural, correct choice is the past tense form that directly communicates a completed finding.