Nick Petrels is a doctor in Montreal. He works 60 hours a week. He takes care of 159 patients a week in the hospital and at his office. He's been a doctor for ten years. Dr. Petrels gives his patients good medical advice. But he doesn't just tell his patients what to do. He also sings to them on television! Dr. Petrels has his own TV show. The show is in Italian, English and French. The doctor starts the show with a song and then gives medical advice. He explains a medical problem or disease in simple language. After that, he sings another song. Dr. Petrels produces and performs in his own show every week. The program is very popular with his patients and with people who enjoy his singing. His dream is to perform in Las Vegas. His favorite songs are love songs, and he has a compact disk of love songs that he wrote. Dr. Petrels says, "I always loved to sing. All my problems are gone when I sing." But when Dr. Petrels was young, his father didn't want him to be a singer, so he went to medical school. Some people tell Dr. Petrels he can help people more as a doctor. But Dr. Petrels says he helps people when he sings, too. "I like to make people smile. Sometimes it's difficult to make a sick person smile. Medicine and pleasure both try to do the same thing. They try to make people feel good." Dr. Petrels works 60 hours a week, because he   _  .
gives his patients medical advice takes care of 159 patients a week sings on television has his own TV show
Question: Nick Petrels is a doctor in Montreal. He works 60 hours a week. He takes care of 159 patients a week in the hospital and at his office. He's been a doctor for ten years. Dr. Petrels gives his patients good medical advice. But he doesn't just tell his patients what to do. He also sings to them on television! Dr. Petrels has his own TV show. The show is in Italian, English and French. The doctor starts the show with a song and then gives medical advice. He explains a medical problem or disease in simple language. After that, he sings another song. Dr. Petrels produces and performs in his own show every week. The program is very popular with his patients and with people who enjoy his singing. His dream is to perform in Las Vegas. His favorite songs are love songs, and he has a compact disk of love songs that he wrote. Dr. Petrels says, "I always loved to sing. All my problems are gone when I sing." But when Dr. Petrels was young, his father didn't want him to be a singer, so he went to medical school. Some people tell Dr. Petrels he can help people more as a doctor. But Dr. Petrels says he helps people when he sings, too. "I like to make people smile. Sometimes it's difficult to make a sick person smile. Medicine and pleasure both try to do the same thing. They try to make people feel good." Dr. Petrels works 60 hours a week, because he   _  .
A. gives his patients medical advice
B. takes care of 159 patients a week
C. sings on television
D. has his own TV show
Answer: