(There is no section for music so I put this in "Arts", because music is an art.)
PLEASE HELP QUICK!
Which statement about the two main themes in the first movement of Mozart's symphony No.40 in g minor is correct?

A. Theme 1 contains scales.
B. Theme 1 is in a minor key; theme 2 is in a major key.
C. Theme 2 is introduced in theme 1.
D. Theme 1 is in a major key; theme 2 is in a minor key.