The best fit is Defied because it implies the logic was unexpected and went against what was considered normal or expected by experts. "Surprised" works, but "defied" is a stronger choice given the inclusion of "experts" which suggests a challenge to their established knowledge. "Teased" is not appropriate as it implies mocking or taunting.
His logic ______ everyone, including the experts.
Review the verified answer and explanation for this NTS National Testing Service past-paper question on CampusFin.