TOEFL Listening: ETS-TOEFL听力机经 - 3T114YO3ECTUES94P$

The professor mentions a book on English theater history. What does he imply about the book? A. It has been very helpful to scholars. B. It should have included drawings. C. The drawing it contains is probably inaccurate. D. Its author was not an expert on Shakespearean plays.