Dawn could babysit Friday. Dawn could not babysit Saturday. Stacey could babysit Friday or Saturday.
Choose the best way to combine the three sentences above.
A. Stacey could babysit on Friday or Saturday, or Dawn could babysit Friday but not Saturday
B. Dawn could babysit Friday but not Saturday, and Stacey could babysit Friday or Saturday
C. Dawn and Stacey could babysit Friday, but on Saturday Dawn cannot babysit and Stacey can.
D. On Friday Dawn or Stacey could babysit, but on Saturday Stacey can and Dawn cannot