阅读下列文章，选出以下3道题的最佳选项。Mr. Smith is a teacher of English, He comes from America, He teaches English in China. He speaks Chinese quite well. He reads a lot of books and his wife often writes books for the students at home.Mr. Smith gets up at five in the morning. He leaves home at ten to six. He begins the first lesson at 8:00, He teaches English from Monday to Friday. At ten to twelve he finishes his lessons. Ten minutes later he has lunch. In the afternoon, he often plays games with his students. Sometimes he teaches his students in his office. Supper time is at about six. After that, he reads newspapers and watches TV. At about ten to eleven he goes to bed.(1) He leaves home at ________.
选项：

A: 6:50
B: 7:10
C: 6:10
D: 5:50