描述艺术创作过程的句型 — 英语情景题

Tom 和 Ben 在手工课上讨论怎样做一张卡片。请选择合适的句子补全对话（每空填一句）。备选句子：A. Then I fold it in half. B. First, I draw a picture on the card. C. How do we make a card? D. Finally, I glue a flower on it. Tom: Ben, (1)________ Ben: Let's make one together. Tom: Great! What do we do first? Ben: (2)________ Tom: What do we do next? Ben: (3)________ Tom: And then? Ben: (4)________ Tom: Wow! The card is so beautiful!