The committee's decision was so _____ that members were left wondering if any real consensus had been reached, or if the chairman had simply imposed his will.

✓ Correct Answer: Option A

If members wondered if consensus was reached or if the chairman imposed his will, the decision must have seemed arbitrary—based on random choice or personal whim—and capricious—given to sudden and unaccountable changes. Both words denote a lack of reasoned basis for the decision.