下列接口中标注的(A,B,C,D)中,哪两个是错误的?interface Takecare {protected void speakHello();//Apublic abstract static void cry();//Bint f();//Cabstract float g();//D}
A. protected void speakHello();
B. public abstract static void cry();
C. int f();
D. abstract float g();