根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中的两项为多途选项。
The first chocolate was eaten by Mayan and Aztec people in Central and South America hundreds of years ago. _______ the cocoa bean was used to make a chocolate drink that the people enjoyed very much. Much later, the cocoa bean was brought across to Europe and people there also came to love the taste of chocolate.
_____ One of the items he sold was cocoa powder to make into drinks. In 1831, he opened a small factory to make cocoa powder from cocoa beans. John Cadbury believed that alcohol was an important cause of poverty and he wanted to encourage people to drink chocolate instead. A few years later a man called Joseph Fry invented a way to make chocolate bars, and so for the first time people had the chance to eat chocolate instead of only drinking it. At first, chocolate was a luxury and only the rich people could afford it. ______
______ Milk chocolate came later and this was made by adding milk of milk
powder to the chocolate. Cadbury’s introduced their first milk chocolate bar in 1879. Their most famous chocolate, Cadbury’s Milk Bar, was introduced in 1905. It has been a best seller in Britain and around the world for nearly 100 years.
The Cadbury factory is still in Birmingham and the chocolate produced there is eaten all over the world.    

A．Later, as more and more chocolate bars were produced and sold, it became cheaper.

B．John Cadbury wanted people to drink chocolate instead of alcohol.

C．However, at first only plain chocolate was produced.

D．Every year, thousands of visitors visit the factory to see how chocolate is made.

E. In 1824, John Cadbury opened a small shop in Birmingham.
F. More and more chocolate was manufactured.
G. In those days, the people did not really eat chocolate;