The correct answer to this open question is the following.
Unfortunately, you just attach one of four options to answer the question. However, we can say the following.
A 1950s American who identified as a beatnik would most likely agree with the following statement: "Consumer culture in the United States is stifling to creativity and individuality."
The Beatnik was a counterculture movement. Beatniks rebelled against the materialistic and consumerist behavior of the United States medium and high class.
Criticisms of conformity and materialism in American society in the 1950s resulted in the Beatnik and counterculture movements.
In the 1950s and part of the 1960s, many counterculture movements appeared in the United States. They criticized the materialistic society and excessive emphasis on consumerism. The Beat Generation and the Hippies had revolutionary concepts that included sexual libertinage, supported the consumption of some drugs, followed spiritual teachers from India, and accepted rock & roll music as a way to express their unconformity.