Art is often controversial because
a. artists use the elements of art in creative ways, which often offend the public.
b. art is almost always based on religious beliefs or cultural circumstances.
c. artists and observers have varying ideas of what art is.
d. art is no longer a respected profession.

There are actually many reasons why people think art is controversial. The main reason is because the artists and the public have varying ideas about the art itself. The artist may believe their art piece is the most beautiful thing in the world, while others may find the piece horrible and offending. Many pieces of art are religious, but it is not offending to the majority of art lovers and doesn't always cause controversy. The correct answer is C.

C.   Artists and observers have varying ideas of what art is.

I just took the test. Good luck!

1)harmony-a2)balance-e3)asymmetrical balance-b4)abstract-c5)approximate symmetry-d