根据所给单词及短文内容的理解，选择正确单词填空。

A. enjoyed themselves    B. down     C. up     D. eating     E. about    F. hungry

    After  an hour, Ted and Jenny sat  to relax. At that time, they saw a squirrel（松鼠） a pine nut (松子）in a big tree. When they saw the squirrel eating, they felt . They went to help their parents take the food out of the basket. Ted had a hamburger. Hamburgers were his favorite food. Jenny had an apple. Mr. and Mrs. White had some bread. They  in the park.