C. the word Have shows you it is past tense but it does not end in ed so it is no a past participle.
Answer:
Sport can teach values such as fairness, teambuilding, equality, discipline, inclusion, perseverance and respect. Sport has the power to provide a universal framework for learning values, thus contributing to the development of soft skills needed for responsible citizenship.
Well, "who's" is who is, it's just a contraction. So, it'd be whose.
"Who is muddy foot prints are those?" doesn't sound correct, but
"Whose muddy foot prints are those?" does.
Hope this helps!