The author thinks that the Americans are preoccupied with the thought of getting old because:
C). American culture is very superficial.
The given text talks about the culture that is possessed and followed by the Americans which also reflects their thought patterns and mindsets.
These details assist the readers in understanding that in their culture, there has been a fascination towards looking younger always which is naturally impossible.
This reflects the peripheral and sketchy mindset of people in the American culture who are even defying nature and its phenomenons just for living in their surface reality.
