单项选择题：以下各表达式中，运算结果为字符型的是（）。A、SUBSTR（’123.45’，5）B

以下各表达式中，运算结果为字符型的是（）。

A、SUBSTR（’123.45’，5）

B、’IBM’$’Computer’

C、AT（’IBM’，’Computer’）

D、YEAR=’2000’

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参考答案：根据中国人民银行《关于下调金融机构人民币存贷款基准利率和调整贷款利率浮动区间的通知》规定，上海住房公积金管理中心对公积金贷款利率进行了新的调整，自2012年7月6日起，五年期以上个人住房公积金...

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