[解析]
细节判断题.
(1)B.根据第一段句子"John likes chocolate very much, but his mother doesn't allow him to eat too much."可知,约翰非常喜欢巧克力,因此此处与原文不符,故选B.
(2)A.根据第一段句子"The old man loves his grandson very much and sometimes he buys John some chocolate."可知,有时,约翰的祖父给他买一些巧克力,故选A.
(3)B.根据第二段句子"he says,"Please, God, make them give me a big box of chocolate for my birthday."可知,在约翰生日这天,他妈妈没有给他买巧克力,此处与原文不符,故选B.
(4)A.根据第二段句子"One Sunday evening , it is John's seventh birthday."可知,星期天是约翰的生日,故选A.
(5)A.根据第二段句子"I know,"says the clever boy with a smile ,"But my grandfather is in the next room,and he can hear me".可知,约翰非常聪明,故选A.