複選題
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Which two methods, inserted independently at line 17, correctly complete the Sales class? (Choose two.)
(A) double getSalesAmount() { return 1230.45; }
(B) public double getSalesAmount() { return 1230.45; }
(C) private double getSalesAmount() { return 1230.45; }
(D) protected double getSalesAmount() { return 1230.45; }

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統計： A(8), B(21), C(4), D(16), E(0) #2194144