Man: Are you coming with us to the supermarket this afternoon Woman: I promised Lucy that I'd help her with her painting project, and I'm really looking forward to it. Question: What does the woman mean
选项：

A:She doesn't need anything at the supermarket.
B:She won't be joining the man.
C:She and Lucy are learning how to paint.
D:She'd rather go to the supermarket than help Lucy.