阅读理解。
Oliver: Good afternoon, Mike.
Mike: Good afternoon, Oliver. What time is it now?
Oliver: It's five fifty. Why?
Mike: My mother is ill. My father isn't at home. I must go home and cook dinner.
Oliver: I'm sorry to hear that. Can you cook meals?
Mike: Sure. And I can wash clothes, too.
Oliver: You're helpful. I can't do that, but I can clean the room.
Mike: You are also helpful! I have to go. Goodbye!
Oliver: Bye.
根据对话内容，选择正确答案。
