The word "astounding" in the second paragraph is closest in meaning to ______.

A．be welcomed by housewives.
B．surely go into every household.
C．help people a lot with their housework.
D．help people with manual and mental work.

A．Isaac Asimov will make new laws to replace the old ones.
B．the Three Laws of Robotics have been invalidated.
C．the book I, Robot was published in Hollywood.
D．Isaac Asimov has shifted his attention to films.