Read the following passage and mark the letter A, B, C or D that best fits each of the numbered blanks

Cartoon film have very (16)_______ limits. If you can draw something, you can (17)_______ it move on the cinema screen. The use of new ideas and advanced computer programs means that cartoons are becoming exciting again for people of all ages. By the end of the 1970s, the cinema world had decided that cartoons were only for children. But soon (18)______ , one or two directors had some original new ideas. They proved that it was possible to make film in which both adults and children could share the fun. However, not every cartoon film was successful. The Black Cauldron, for example, failed, mainly because it was too (19)_______ for children and too childish for adults. Directors learnt from this mistake, and the film companies began to make large (20)______ of money again.