单项选择题


SECTION A CONVERSATIONS
In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow.
Questions 1 to 3 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions.
Now listen to the conversation.
Why does Carl avoid a double cheese burger

A.Because he has to take part in all kinds of meets.
B.Because he’s been on a diet.
C.Because he doesn’t like to eat it in this season.
D.Because he likes to stay in shape.