单选题

Click the Exhibit button. Given this code from Class B: 25.A a1 = new A(); 26.A a2 = new A(); 27.A a3 = new A(); 28.System.out.println(A.getInstanceCount()); What is the result?()

ACompilation of class A fails.

BLine 28 prints the value 3 to System.out.

CLine 28 prints the value 1 to System.out.

DA runtime error occurs when line 25 executes.

ECompilation fails because of an error on line 28.

正确答案

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