选择题：为了在程序中使用ODBC .NET 数据提供程序，应在源程序工程中添加对程序集______ 的引用。

题目内容：

为了在程序中使用ODBC .NET 数据提供程序，应在源程序工程中添加对程序集______ 的引用。
(A)System.Data.dll
(B)System.Data.SQL.dll
(C)System.Data. Odbc.dll
(D)System.Data.OleDb.dll

参考答案：

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