I believe itA is the correct answer
<em><u>D.NONE OF THE ABOVE</u></em>
<em><u>[</u></em><em><u>that's</u></em><em><u> </u></em><em><u>it]</u></em><em><u>:</u></em><em><u>)</u></em>
D.Billboard advertisements displayed on streets that have very little
The answer is B periodization
No one really knows but it is an answer somehow....Mostly because "Masters" needed more work done doing other stuff instead of working in fields..
Hope this helped!