Research Done During the Latter Half of the Twentieth Century

Research done during the latter half of the twentieth century have helped us understand the process of changing or ending sport participation.Which of the following is NOT one of the findings in that research?

A) Dropping out of a sport often occurs in connection with other changes in a person's life.
B) When people stop playing a sport,they generally do not cut all ties with sports.
C) Decisions to drop out of sports are sometimes made due to negative experiences in sports.
D) People drop out of sports only when they are victims of exploitation by coaches.