根据短文内容选择正确的选项。 The Smart Family (Smart一家人) are at the zoo. There are so many animals there. Sam can see a big tiger, it can eat bones (骨头). Amy can see a kangaroo (袋鼠), it can jump very far. Tom can see a snake, it can slide (滑动). Ms Smart can see a pig, it can turn around. How about Mr. Smart? He can see a lovely cat. It can climb the tree. They are so happy to see the animals, and they have a good time!