Read the following article and select the best answer. Article: "Who needs a shopping mall if you have Taobao?" says Wang Lin, 28, a writer in Beijing. Taobao, China's largest online shopping site, becomes an important part of Wang Lin's life. She spends lots of money on Taobao. Most online shoppers like Wang are students or young workers, More women shop on line than men. Clothing and home-use products are the most popular on line. It was reported that more than 250 billion yuan was spent on online shopping last year, 80% through Taobao. Taobao means"Looking for treasure" in Chinese .People can find almost everything they need on Taobao, from clothes to books, from candies to DVD players. You may question the _ of online shopping. Wang Lin says ,"It's very safe and conveniet . If you don't like the products from the sellers, the seller can't get the money. You can also get your money back if you want to return the products. Question: Taobao is _ . - a shopping mall - an online shopper - a clothes store - an online shopping site
Answer:
an online shopping site