48.Which of the following foods is NOT fermented? (A) Yogurt； (B) Kimchi； (C) Soy sauce； (D) Ice cream.

44. ) Which of the following statements about lactose intolerance is true? (A) Lactose intolerance results from the lack of the enzyme lactase in the small intestine； (B) Lactose intolerance is common in European adults； (C) Lactose intolerance is the same as milk allergy； (D) Lactose intolerance is common among Asian infants.