Which of the following micro organism utilizes lactose as a carbon source in production of lactic acid from whey media?

• A. <i>Lactobacillus bulgaricus</i>
• B. <i>Lactobacillus delbrueckii</i>
• C. <i>Lactobacillus pentosus</i>
• D. <i>Leuconostoc mesenteroides</i>