According to the text, interest in robots has increased in recent years because of ______.

A．Sony is the undisputed leader in the robotics industry.
B．Some universities are using Sony robots in their research programs.
C．Some people have criticized RoboCup's agenda.
D．By 2050, robots will be able to beat humans at soccer.

A．take the place of humans at meetings
B．eliminate the need for business travel
C．win against the human world soccer champion team
D．become man's best friend