单项选择题

M: Mum, here’s a letter from Uncle George.
W: Give it to me how wonderfull He is coming to visit us.
M: When is he coming
W: He is coming by car on the twenty-fourth and staying from the twenty-fourth to the twenty-sixth.
M: Is he coming alone
W: No, he is coming with Aunt Cynthia and the girls.
M: Mother, I don’t remember the girls. how old are they
W: Your cousin Fay is fifteen. Rosemary is older than Fay and she is seventeen.
M: Mother, may we have a party
W: If you like, but now we have to think about meals and other things.
M: Prepare the list, Mother. I can go shopping. I can go to the small stores. Everyone knows me there.

What should Mary and her mother do immediately()

A. They should go shopping.
B. They should think about the meals and many other things.
C. They should go to the small stores.
D. They should have a party.