When I was young, I liked to play jokes on people I knew, especially on my parents and friends. One day my mother was cooking in the kitchen and my younger brother was playing near the window. I ran to my mother and said,| " My brother has fallen from the open window!" She was very worried about my brother and then I said, "Don't worry. I'm just joking. " And my mother shouted at me, " If you do it again, I'll punish you. " One day I went swimming with my friends in the sea. I wanted to play a joke on my friends. In the beginning, I went swimming alone, and I called to my friends, " Help me!" All my friends came to help me, only to find out that I was joking. But the next time I wasn't joking. I swam in deep water and I was so careless that I was almost drowned . I tried my best to call my friends for help, but this time nobody came to saved  my life. They took me to _ . From then on, I haven't joked on anyone. I think this is the best lesson in my life. Which of the following is TRUE according to the passage?
The writer's mother was cooking when his brother fell from the open window. The writer used to go swimming alone in the deep sea. The writer used to have few friends because he hardly told the truth. The writer hasn't joked on others since he was saved by his friends.