-- How many cakes can I have Mum? dear. They were prepared for your father.A. BothB.

问题补充：

-- How many cakes can I have, Mum? -- , dear. They were prepared for your father.

A. Both

B. Either

C. None

D. All

答案：

A. Both

B. Either

(答案→)C. None

D. All

解析：Both两者都；Either两者中任何一个都；none一个也没有；All所有都。句意：妈妈，我可以吃多少块蛋糕？——一块都不行，亲爱的。他们是给你的父亲准备的。结合语境可知选C。