A-A+
— ______ Jack？ You look pale. —I fell off my
问题详情
— ______ , Jack？ You look pale. —I fell off my bike and hurt my legs.
A．What"s going on
B．What"s up
C．What did you do
D．What have you done请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：B
解析：What's up在这里相当于What's the matter，表示焦急地询问对方情况。
