Why Might Starters Tend to Show Higher Levels of Both

Why might starters tend to show higher levels of both social and task cohesion than nonstarters?

A) Starters contribute more to the team and are more likely to get recognition
B) Starters tend to be more social and outgoing than nonstarters
C) Starters and nonstarters show equal levels of social and task cohesion
D) Starters feel more pressure to get along with their teammates