Forms of art depend upon
a. the message the artist wants to convey and the culture.
b. the artist’s tastes and the message the artist wants to convey.
c. current trends and available materials.
d. the money the artist can get from pieces sold.

The correct answer is letter B. Forms of art depend upon (B) the artist's tastes and the message the artist wants to convey. The message of each art unique to what the artist is trying to say. Through art, they also want to imply something, a message that they can't say it in words but in the form of art.

Seen this the answer is d : )