According to the Article, why were parents in the 1930s worried about their children listening to the radio?
A
Parents were concemed that the technology might interfere with conversation, music
practice, and reading.
B
A Stanford University study wamed parents that the technology might cause children to
become violent
с
Studies had found that too much time with the technology could begin to harm children's
sleep pattems.
D
Parents had been wamed by the American Academy of Pediatrics that the technology
could lead to unhealthy weight gain.