选出下列选项中不属于同一类的选项。 (5分)
(   )（1）A.a glass of milk          B. bananas               C. a cup of tea
(   )（2）A.an ice cream            B. a cup of coffee         C. an elephant
(   )（3）A.an egg                 B. a cake                C. an apple
(   )（4）A.eggs                   B. a cake                C. hamburgers
(   )（5）A.a glass of orange juice    B. a glass of apple juice     C. an orange