The question asks about what Aminu is going to do. In the conversation, Aminu says "Ana m ejẹ Enugu. Ana m ejẹ ịzụ ahịa n'Ụwanị" meaning "I'm going to Enugu. I'm going for a business trip in Ụwanị". Therefore, the answer is D. Ịzụ ahịa, which means "business trip" or "business journey".