35. The author supports feeling the baby_______. (A) in the night (B) every four hours (C) whenever it wants food (D) according to its blood sugar level

39. What was the problem with guessing at the sound to stop a bus? (A) Other vehicles also stopped there. (B) It was unreliable for making judgments. (C) More Lorries than buses responded to the girl. (D) It took too much time for the girl to catch the bus.