题目在单元格中输入数字字符串100080(邮政编码)时,应输入( )。A. 100080B. "100080C. '100080D. 100080'在单元格中输入数字字符串100080(邮政编码)时,应输入( )。A. 100080B. "100080C. '100080D. 100080'题目解答答案C