Hon Lik applied for his first patent on the electronic cigarette in 2003 and afterwards introduced e­cigs to the Chinese market in the following year through his employer，Golden Dragon Holdings.Golden Dragon Holdings later changed the company’s name to “Ruyan” in order to better match the company’s name (Ruyan means “almost like smoke”) to the new product.Since the renaming，the Ruyan company has continued e­cigarette development and grown to be one of the largest global e­cig manufacturers.

　　Dr.Sam Han，CEO of Cixi E­CIG Technology，Inc，Ltd.also has a number of e­cig related inventions，including four patents in the United States and two in China that are electronic cigarette and e­liquid technology related.Similar to Hon Lik’s father，Dr.Han was a heavy smoker for more than 40 years before beginning to work on electronic cigarette technologies in order to help himself and others make the shift to vapor smoking.Dr.Han continues to market and conduct R&D in e­cig related technologies to this date.

　　After the successful deployment of the Ruyan and Cixi E­CIG electronic cigarettes in

　　China and Asia，the products started to be sold in significant quantities on the Internet.

　　1．How many years is it since the electronic cigarette was first invented according to the passage?

　　A．About 5 years.

　　B．About 11 years.

　　C．About 15 years.

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