问题补充：
--- Hi, Dale! How are you? --- , thanks. .
A. How are you
B. Nice to meet you
C. Good morning
D. I’m fine
答案：
A. How are you
B. Nice to meet you
C. Good morning
(答案→)D. I’m fine
解析：How are you你好吗；Nice to meet you很高兴遇到你；Good morning早上好；I’m fine我很好。根据上文，嗨，黛儿，你好吗？可知选D最符合语境。
