The correct answer is D) He first wants Ivan to propose to Natalya, but by the end, he doesn't want Natalya to marry Ivan.
Throughout the play "The Proposal" by Anton Chekhov, Stepan's attitude towards Ivan changes as the comedic tension and misunderstandings escalate, especially regarding the relationship with Natalya. Initially, he is enthusiastic about the possibility of marriage between Ivan and Natalya, but as the events unfold, he becomes increasingly protective of Natalya and frustrated with Ivan.