单项选择题

Man: I knew Laurie played the piano, but I didn't know she played the guitar.
Woman: Neither did I. It seems she just picked it up on her own, over the summer.
Q: What does the woman mean

A.Laurie doesn't have much musical talent.
B.Laurie taught herself to play the guitar.
C.Laurie wants to play music with other people.
D.Laurie has a summer job playing guitar.