(C) You must have seen graffiti before. Maybe it's on a quiet street, outside of a school or a shopping mall. But do you know the real meaning __31__ graffiti?       The __32__ graffiti means words and drawings, mostly political or rude, scratched or painted on the wall. __33__, the word comes from Greek and means "to write." The history of writing graffiti started thousands of years ago, and it can even be traced __34__ to the city of Pompeii in the year 79.      Although some people don't like graffiti because it reminds them of violence and danger, it has gradually __35__ into a genuine art form in recent years. Next time when you see graffiti, try to appreciate it from an artistic angle, and you'll understand its beauty better.
【題組】31.
(A) of
(B) with
(C) at
(D) in