In 1950, the average child visited the dentist once a year. But in 1970, the number of visits had increased to two. Today, the average child visits the dentist three times a year. Each of the following, if true, could explain this trend except

Options

A. Dentists fees have declined over the period.
B. Better home care of teeth has reduced the number of cavities.
C. Parents are more aware of the importance of dental care.
D. Tax benefits for deducting dental expenses have increased.

Answer

B

Explanation

Assumption (b) is contrary to the given statements.