A-A+
—Hi Mary haven't seen you for a long time. _
问题详情
—Hi, Mary, haven"t seen you for a long time. ______ ？ —Fine. What about you？
A．How are you doing
B．What are you doing
C．How do you do
D．What do you do请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：A
解析：How are you doing?通常用于熟人之间，从后面的答语Fine可知，只有A项正确。
