TOEFL Listening: ETS-TOEFL听力机经 - 9O11O4L8V87841E4P$

What does the professor imply about the Big Dipper? A. It got its name at the same time as Ursa Major did. B. It is the most visible part of Ursa Major. C. It is part of the smallest constellation. D. It can point the way to an important star.