题干
The manager came up to see ________.
A：what was the matter
B：what the matter was
C：what the matter is
D：what's the matter
答案(点此获取答案解析）
A
The manager came up to see ________.
A：what was the matter
B：what the matter was
C：what the matter is
D：what's the matter
，则函数
是 ( )