4-6 hours after the mother eats.
Dada was an avant-grande where the art is radical and unorthodox. The movement's intent was to mock materialistic and nationalistic attitudes. It aimed to overturn bourgeois sensibilities. its purpose was to intrigue the role of artist and the purpose of the art-- asserting "Dada is anti-Dada".
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Dada's principles can and is needed to be applied in the modern world. In today's society where issues are becoming more complex, it is always good to think, evaluate concepts, challenge norms and express to inspire. Opposing can be beneficial as it can counterbalance powers in the society. The checks and balances will mold the people, the society and the quality of life of humanity.
There are multiple answers that you could argue, but my best guess is that in these years he was influenced by jazz, the "music on the street", since this is when he wrote music for the Theatre suite.
It is choice D, or "progression". Have a great day.