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You want to create a pie-style chart using the Chart Wizard. What must be you do to determine the fields available for use in this chart? （）
A:Select the block that contains the data to appear in the pie chart. 
B:Select the table that contains the data to appear in the pie chart. 
C:Select the view that contains the data to appear in the pie chart. 
D:Nothing. The wizard will automatically create the pie chart based on the highlighted data.

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出自：Oracle认证

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