The new type of advertisement which is appearing in newspaper columns ______.

A．They are discussing whether they should go for a holiday.
B．They are discussing where they should go for the holiday.
C．They are discussing how they could save enough money for the holiday.
D．They are discussing how they could pay for their house and the furniture.

A．Because they are made from beef.
B．Because they are cheaper than any other kind of food.
C．Because they are served quickly and at a low price.
D．Because hamburger is the only fast food in America.