Write a multi-choice question for the following article, with the given choices and answer: Article: This is the true story of a great woman. Her name was Helen Keller. She was born in 1880 in Alabama in the USA. When Helen was one year and a half, she got ill and then she became blind and deaf. Her parents tried to do their best for their daughter and they asked a young teacher called Anne Sullivan to their home to teach Helen. Anne herself was almost blind in her youth. Helen was a smart girl but she couldn't hear or talk. She was angry at this. So she was always crying and shouting. Then Anne often went for walks with Helen in the country near her home. After two weeks, Helen became quiet. Anne began to teach her how to spell and Helen learned to write. Boards with lines on them helped her to keep the words straight. Soon her talents were famous all over the world. There were her stories in newspapers and magazines. By the time she was 17, she was studying French, German, Latin, Physics and many other subjects. She was still blind and deaf. In 1902, she wrote a book The Story of my life. It became well-known all over the world. Options: A one year old B half a year old C one year and a half old D two years old Answer: C one year and a half old Question:
A:
Helen became blind and deaf when she was _ .