A steady decline in annual movie-ticket sales is about to begin. More than half of the tickets sold last year were sold to the age group under 25, representing 27% of the population. However, the number of individuals under 25 will steadily decline during the next decade.
Which of the following, if true, casts most doubt on the prediction above regarding future movie-ticket sales?
A.Medical advances have lowered the mortality rates for those who are forty to sixty years of age.
B.Many people gradually lose interest in going to the movies after they reach 25 years old.
C.The number of movie theaters has been increasing, and this trend is expected to continue during the next decade.
D.Movie-ticket sales tend to increase as the size of the work force increases, and the size of the work force will increase annually during the next decade.
E.Experts agree that people under 25 will continue to account for more than half of the total number of tickets sold in each of the next ten years.
