Which of these demonstrates the most sportsman-like behavior?

The most sportsman-like behaviors are often those which show a certain degree of fairness towards the opposing team or which show that people are aware that the other team might have won because they were better. 

A sportsman-likes behavior is when you display respect and politeness towards other players who participated in the game or sports. The one that demonstrates the most sportsman-like behavior is shaking hands with all opponents after your team has lost the game. Hope this answer helps. 

The answer is d.sarcomas,hope my answer is to you : )