单选题 Gabby: Hi, Harry, it' s great to see you again. 【D1】______ Harry: Yeah. In the past three months I traveled to many countries in Africa. Gabby:【D2】______Did you pet a rhino(犀牛)? (Laughing ...)I'm just kidding. Harry: Well, I didn' t pet a rhino, but I was once chased by a lion, and it was fun! Gabby: 【D3】______ Harry: No. I'm just kidding. Gabby: You really scared me. Harry: (Laughing...)Well, I really missed the comforts of home.【D4】______A long break! A. Are you serious? B. Now I just want to take a break. C. I heard you've traveled a lot recently. D. Well, I really envy you!