I'm not completely sure, but is suggest you to choose this option:b. they depict landscapes instead of portraits, religious scenes, or genres. It's their only charachteristic they share.
I think Vincent Van Gogh is one of the most remembered artists today because of his expressive use of vivid colour and emphatic brush work. Van Gogh inspires many young artists to this day because of his unique style and bright palette.
The answer is describe specific, polite behaviors
