选择题：( )According to the first story, the term “OK” ___

题目内容：
( )According to the first story, the term “OK” ___________.(本题2.0分)
A、 was approved of by President Jackson
B、 was the title of some official documents
C、 was first used by President Jackson
D、 was an old way to spell “all correct”
参考答案：