I'm pretty sure its A because Chamber Music is meant for Two - Twelve players playing one part each.
<span>b. ready-mades
The ready-mades are ordinary objects that have already been manufactured for everyday use. By simply selecting the objects, the artist already considers it as art.
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Close up shot deffinition is - ( A Photograph taken at close range or with a long focal - length lens, on a relatively large scale.
Flying buttress is pictured here