What are you doing?I'm_____goodbye_____my parents A.saying;with B.saying;to C.say;for

问题描述:

What are you doing?I'm_____goodbye_____my parents A.saying;with B.saying;to C.say;for

B.saying;to
say goodbye to sb向某人说再见,固定短语,这里要用现在进行时,因为问句用了现在进行时.
翻译:----你在干什么?
---我在向我爸爸妈妈说再见.