points = 174 if points <=0: result = " Invalid score." elif points <= 50: result = "Congratulations! You won a wooden rabbit!" elif points <= 150: result = "Oh dear, no prize this time." elif points <= 180: result = "Congratulations! You won a wafer-thin mint!" elif points <= 200: result = "Congratulations! You won a penguin!" else: result = " Invalid score." print(result) 请问输出结果为? A. Invalid score. B. Congratulations! You won a wooden rabbit! C. Congratulations! You won a penguin! D. Congratulations! You won a wafer-thin mint!