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