阅读下面短文，根据文章的内容选择最佳答案。 Do you go to the movies during the holidays? What do you eat there? Popcorn? Yes, of course! More and more Chinese children now like to eat popcorn at the theaters. Americans also love popcorn. Americans have their own way of eating popcorn. They like to put butter on it. But that's not all. They also add chocolate and cheese! Americans started eating popcorn in theaters in the 1930s. Before this, they couldn't eat it because movies were silent (无声的) and popcorn made too much noise. Next time, try your popcorn in American style! 1. According to this passage, popcorn is a popular food to eat when you _____. A. watch TV B. have a picnic C. watch a movie 2. Americans don't usually add _____ to their popcorn. A. chocolate B. juice C. cheese 3. The movies had no _____ before 1930s. A. pictures B. fans C. sound 4. From the story we know that _____. A. Americans have their own style when they eat popcorn B. Americans did not eat popcorn before 1930 C. popcorn is the most popular food in China