About one-fifth of workers in that factory _____ in the eart

句子成分分析 About one-fifth of Americans aged six to nineteen are cobsidered overweight. 主语有点复杂，大神帮忙分析下。

About one-fifth of Americans age six to nineteen
About one-fifth of Americans age six to nineteen are considered overweight. To reduce those numbers, some schools are teaching children to make better food choices. TEACHER AND STUDENT: "So I can have spinach and what, who can give me one combination. Spinach and -- Diego?" "Eggplant?" "Eggplant. Spinach and eggplant. So here is my first combination." Hannah Chen is teaching the eight and nine year olds in this math class in Washington how to make sets. HANNAH CHEN: "We just incorporated food into different types of combinations, like with the pizza we had two types of toppings that the kids can provide, and figuring out the different combinations using those toppings." The EW Stokes Public Charter School has started to include food topics in its third-grade math and English teaching. The school formed a partnership with Seedling Projects, an environmental group in San Francisco, California. Peter Nalli is a curriculum director for the program called Farm to Desk. He says they are doing this in part to address the issue of childhood obesity. PETER NALLI: "One of the main components of our program is our belief that if kids are exposed to positive and healthy messaging about food throughout the instructional day, that has the most potential to impact long-term change." School chef Makeisha Daye says the school buys most of its food from local farms, but the students grow some themselves. MAKEISHA DAYE: "They are replanting everything now so that we will be using fresh herbs,

The trip from Kitty’s school to the park _________ about one hour by taxi. A．take B．spend C．takes D．spends