What kind of overview does the book intend to give about American society

A．A large house where stockbrokers live.
B．A place where jobbers and stock brokers meet, to buy and sell shares.
C．A house in London, where stockbrokers are paid commission by their clients.
D．A place where jobbers make a very large profit.

A．young men only
B．women only
C．elders only
D．both men and women

A．Because she has a problem about her car.
B．Because she wants to book a train ticket.
C．Because she wants to know how she can go to Edinburgh.
D．Because she wants to know how she can go to London.