对下面的计算个人所得税程序中，满足判定覆盖的测试用例是( )。if (income<800) taxrate=0;else if (income<=1500) taxrate=0.05;else if (income<2000) taxrate=0.08;else taxrate=0.1;
A. income=(799, 1500, 1999, 2000)
B. income=(799, 1501, 2000, 2001)
C. income=(800, 1500, 2000, 2001)
D. income=(800, 1499, 2000, 2001)
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