单选题 Listen to Track 29.
  • A. He is searching for a synonym for the term.
  • B. He is not sure how much information the students need.
  • C. He is going to briefly address a related topic.
  • D. He is giving the students a writing assignment.
【正确答案】 C
【答案解析】[解析]
Narrator
Why does the professor say this:
Professor
Now, a word or two about restoration.