In a Review of Reviews by Biddle, Ciaccioni, Thomas, and Vergeer

In a review of reviews by Biddle, Ciaccioni, Thomas, and Vergeer (2019) it was reported that:

A) there is little evidence of a relationship between physical activity and self-esteem in young people
B) there is mixed evidence of a relationship between physical activity and self-esteem in young people
C) there is strong evidence of a relationship between physical activity and self-esteem in young people
D) there is evidence of causal relationship between physical activity and self-esteem in young people