Soru: Do you like playing football?
A) Yes, I don't.
B) No, I do.
C) Yes, I do.
D) No, I am.
Çözüm: This is a 'do/does' question, so the answer must use 'do' or 'does'. A positive answer to a 'do' question uses 'Yes, I do'. Therefore, the correct answer is C.
