Jack gets to the bus station very early. The bus for London leaves   at twelve. He sees many people at the station. Some are waiting in line , and others are walking around. Jack looks around but there is no room for him to sit in. He walks into a restaurant. He looks up at the clock there. It's only 11:30. Then he finds a seat and sits down. At that time, Tom, one of his friends, comes in and sits in front of him. They talk and drink. After a while , Jack looks up at the clock again, "oh, my god. It's still 11:30. The clock doesn't work at all." Jack becomes very sad because he misses the bus. Jack goes into the restaurant because  _   .
he wants to eat something he sees his old friend he can't find a seat  at the station he is very tired