read it! the hula - hoop went on sale in 1958. in the first four months it was available, 25 million hoops…

read it! the hula - hoop went on sale in 1958. in the first four months it was available, 25 million hoops were sold. they cost only $1.98 each. more than 100 million were sold worldwide in the first year. the demand for the hula - hoop gradually faded among kids. these days, however, there is a renewed interest in the hoops among adults. many adults use the hoops for exercise. they call the activity \hooping.\ do it! the hula - hoops ______ changed. a customers b quality c size d coloring
Answer
Brief Explanations:
The text mentions that initially Hula - Hoops were popular among kids, and now there is renewed interest among adults. This shows a change in the group of people buying the product, i.e., customers. There is no mention of changes in quality, size, or coloring.
Answer:
A. customers