选择题:若A1单元格的内容为60,在A2单元格中输入公式:“=IF(A1>80,"A",IF(A1>60,"

题目内容:
若A1单元格的内容为60,在A2单元格中输入公式:
“=IF(A1>80,"A",IF(A1>60,"B","C"))”并确定,则A2单元格的内容为
参考答案: