16. Ann: I don’t have enough money to buy a birthday cake for my mother.
Bob: _______________
Ann: But I don’t know how.
Bob: It’s not difficult. Let’s go to the store to get the ingredients first.
(A) How much do you have?
(B) You can buy one for your father.
(C) Let’s make one from scratch.
(D) I can give you some money.