Encircle the odd one of the following question

⇒ Option A is incorrect since, (-9) × 5 × 6 × (-3) = 810

⇒ Option B is incorrect since, 9 × -5 × 6 × (-3) = 810

⇒ Option C is correct since, (-9) × (-5) × (-6) × 3 = -810

⇒ Option D is incorrect since, 9 × -5 × -6 × 3 = 810

∴ Option C is the odd one since we get negative integer after their product where as in option we get positive integer.