Read the following paragraph from the passage "Why We Buy What We Buy." Twitchell says we have so many products and so much advertising, they actually have helped shape the way we live. For instance, we have a two-day weekend in part because the Industrial Revolution produced so many products that people needed more time for shopping. And so workers got Saturday off. Says Twitchell: "It's become shopping day at the mall." How does the paragraph help contribute to the overall idea that the need to sell products has affected daily life in America? A: It tells how advertising has encouraged people to spend more than they save. B: It explains that companies do most of their advertising on weekends when families are together to shop. C: It explains how the work week was shortened to give people more time to shop. D: It suggests that the need to sell more products led to the development of malls where people now socialize.