听力原文：A new study suggests that very young children who watch a lot of television may h

听力原文： A new study suggests that very young children who watch a lot of television may have attention problems later in school.

Children with attention problems cannot sit still or control their actions. They talk too much, lose things, forget easily and are not able to finish tasks.

The new study tested the idea that television watching by very young children is linked to attention problems by the age of seven. It involved more than 1,300 children. There were two groups of children, aged one and three. Researchers asked the parents how often the children watched television. The parents also described their children's actions at the age of seven using a method that can tell if someone suffers from attention problems.

The children who watched a lot of television at an early age were most likely to have attention problems. Every hour of watching television increased the chances of having attention problems by about ten percent. For example, children who watched three hours a day were thirty percent more likely to have attention problems than those who watched no television.

One of the researchers said there are other reasons why children should not watch television. Earlier studies have linked it with children becoming too fat and too aggressive. Other experts say the new study is important, but more work needs to be done to confirm the findings and better explain the cause and effect.

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A．Attention problems.

B．Participating problems.

C．Communication problems.

D．Speaking problems.