A、Take a look around the college. B、Deliver a speech. C、Enjoy some snacks. D、Ask questions about the food. B题干问的是探访日人们不能干什么。根据听力

M: Excuse me? I’m trying to change my diet and I want to eat something different for breakfast—you know, something healthier, like, maybe yogurt? Is there a yogurt that’s low in calories but also has a lot of protein?
W: We have a lot of options you might like. Here’s one of our most popular brands of blueberry yogurt. See, there’s a lot of protein...
M: Mmm—nice! But my doctor told me I shouldn’t eat a lot of sweet foods—and it would put me over the daily amount he recommended. That’s more than 30 grams!
W: In that case, I’d suggest buying a plain version of this yogurt and adding your own fresh fruit. 68.Why is the man looking for a certain product?
69.Look at the graphic. Which of the ingredients does the man express concern about?
70.What does the woman suggest that the man do?