We can immediately reject two of the answers: "ameliaration" and "pejoration" as they mean that something has a better (the first) or a worse (the second) meaning -but this is not the case here.
Now, the trend is: something returned>>income>> income from rent
as you see, it has a more and more specialised meaning - the answer is "specialization"
the first one should be the answer
"Bad" Painting is the name given to a trend in American figurative painting in the 1970s by critic and curator, Marcia Tucker (1940–2006).
