According to the Text,what Was the Underlying Causal Factor in People

Multiple Choice

According to the text,what was the underlying causal factor in people refraining from belching,scratching their private body areas,and passing gas at the dinner table?

A) because of a decline in standards of decency
B) because of the rise of capitalism
C) because of the rise of the modern political state
D) because of the decline in family-held power