根据句短文理解,从A、B、C、D四个选项中选择最佳答案填空。
The History of Cartoon Film
There are very few limits (限制) about cartoon films. If you can draw something, you can make it 1 on the cinema screen (银幕). The use of new ideas and modern computer programs means that cartoons are becoming exciting again for people of 2 ages.
By 1970, the cinema world had decided that 3 were only for children.
But soon after that, one or two 4 had some new ideas. They proved (证明) that it was 5 to make films which both grown-ups(成年人)and children could enjoy.
However, not every cartoon film was successful.The Black Cauldron, for failed mainly because it was too 6 for children and too childish.(幼稚的)for grown-ups. Film makers 7 from this mistake, and then cartoons were 8 by both children 9grown-ups. And the film companies could make much 10.
Do you like watching cartoon films?