听下面一段独白，回答以下小题。
【小题1】Why did the man and his brother decide to go on a trip to Spain?

A．Because of a book.

B．Because of an advertisement.

C．Because of a movie.

【小题2】How did the man and his brother go to Barcelona?

A．By car.

B．By train.

C．By plane.

【小题3】How long did the trip to Spain last?

A．7 days.

B．5 days.

C．3 days.

【小题4】What do we know about the man and his brother?

A．They didn't plan a trip at first.

B．They got a lower price for their trip.

C．They worked in a travel agency.