A) consume lactic acid, allowing them to grow on foods such as yogurt. B) produce lactic acid, allowing them to produce foods such as yogurt. C) are important spoilage organisms AND consume lactic acid, allowing them to grow on foods such as yogurt. D) can grow on lemons, are important spoilage organisms, AND consume lactic acid, allowing them to grow on foods such as yogurt. E) produce lactic acid, allowing them to produce foods such as yogurt AND are important spoilage organisms.