Ceejay Saw the Following Newspaper Headline: "Excessive Videogame Playing Linked

Ceejay saw the following newspaper headline: "Excessive videogame playing linked to heightened risk of depression in young adolescents." Ceejay should be thinking:

A) Videogame playing causes depression in young adolescents.
B) Depression causes young adolescents to play more video games.
C) Videogames are detrimental to mental health and should be severely restricted, if not banned outright.
D) There is most likely another omitted variable at work here that possibly explains incidents of depression and excessive game playing among some young adolescents.