阅读下面短文，并借助上下文和插图补充所缺信息，每个空只需填写一个形式正确、意义相符的英语单词。请将答案写在答题卡相应题目的答题位置上。

Sam is a farmer. He has a very big  小题1:. On the farm, he grows oranges, grapes and bananas. Many people come to  小题2: his farm. He is a successful young man and becomes very famous.

Several years ago, in 2003, he went back to his hometown after he finished high school. “What can I do?” he said to himself. Then he had 小题3:idea. “I’m  小题4:in farming. I can grow fruit!” He began to watch many programs about growing fruit 小题5:TV. He also read a lot of books about

it. Then he went to 小题6: on Mr. Smith’s farm for two years. He learned a lot there. In 2005, he started his own fruit farm. At that 小题7:, Sam’s farm was small. But now, his farm is much  小题8:.

His fruits are very good .He sends them to many big   小题9:  in China, such as Shanghai, Beijing and Guangzhou. He also grows vegetables and raises  小题10:on his farm. Therefore, his family eats their own vegetables and chicken. They have a very healthy lifestyle.

2010年“地球停电一小时”活动的某地区烛光晚餐中，设座位有x排，每排坐30人，则有8人无座位；每排坐31人，则空26个座位．则下列方程正确的是（　　）

A．30x-8=31x+26

B．30x+8=31x+26

C．30x-8=31x-26

D．30x+8=31x-26