【正确答案】 B

【答案解析】[解析] 细节题。本题考查语音听辨能力，应选B。
[听力原文]
M: Excuse me, Sara.
W: Yes?
M: I have some difficulty in pronouncing some of the words in the text. Could you help me?
W: Sure.
M: How do you pronounce this word?
W: Travel.
M: Travel. What does "travel" mean, please?
W: It means "go from place to place". For example, I want very much to travel around the world.
M: I see. How about this word?
W: Oh, it is "explain", a word which means "make something clear".
M: How do you spell "clear"?
W: c-l-e-a-r, clear. If you want to make something clear to others, you explain it. Are you clear?
M: Yes. You have explained clearly.
W: That's good.