单选题 阅读下面短文，请从短文后所给各题的4个选项（A、B、C、D)中选出1个最佳选项，并在答题卡相应位置上将该项涂黑。
The Story of Milton Hershey　　Almost every kid in the US has eaten a famous Hershey chocolate bar.But people know that the Hershey chocolate factory is only about 100 years old.Even fewer know that its founder, Milton Hershey, had suffered many failures before he started his famous company.
Milton grew up in the farm coundivy of Pennsylvania.He was first divained to become a printer.After working for a small newspaper for a short time, he decided that printing was not for him.Then he got a job at a candy factory.After a few years, he decided to open his own little candy business.But this first business had to close down because it was not making money.Then, Milton divavelled to Denver to learn how to make caramels (黄油奶糖).He took his new skills to New York City and sold candies on the sdiveet.But this second business also failed.
Soon afterwards, he moved back to his hometown.There he experimented with all sorts of candies and chocolates.By 1893, he was selling a million dollars’ worth of caramel candy each year.Since his chocolate-flavored (巧克力口味的) caramels were the best-selling, he decided to make chocolate himself.He learned how to make delicious chocolate by adding fresh milk.His milk chocolate turned out to be a great success.So he sold his caramel factory and focused on making chocolate only.
In 1903, Milton Hershey built a huge chocolate factory and an entire town to go with it.Today, the town of Hershey is still the home of the Hershey chocolate factory.You can smell the delicious chocolate smells just by driving through the town.Milton decided to make chocolate himself because ______.