阅读短文，选择正确的答案。

Today is Saturday. I get up at seven and have breakfast at seven thirty. I am going on a trip with my family. We set off at eight o'clock. We come to the mountain. We climb up the mountain and reach the summit(顶端).

Looking around the mountain, the view is beautiful. We find a flat and well-seen place. Then the picnic begin. We eat, talk and laugh. Dad also tell us an interesting story. I play hide -and -seek （捉迷藏）with my sister. We are so happy.