Please answer the following question: Read the article and select the best answer. Article: Mary was a 911 operator in Los Angeles. One Thursday morning, she was surprised to get a call from a young child who said, "Mom is ill, Mom is ill", again and again. Mary hurried to find the address of the call. She called the police. In a minute, the policemen and doctors arrived at the house. They broke the door open, and they couldn't believe their eyes. The little child was so young that maybe she could not walk! She was sitting beside her mother and holding her mother's hand. Tears were running down her face. The doctor gave the woman some medicine and soon she woke up. Later, she told people , "Everyone was surprised that my daughter could call 911. One Monday I tried to teach her how to call 911." "It's the first time I've seen a two-year-old child call 911." Question: What did Mary do every day? _ Options: A: She answered the telephone calls. B: She talked with the policemen and the doctors. C: She played with the children. D: She dealt with emergencies .
Answer:
D