A:English-spoken; English speaking
B:English-speaking; English spoke
C:speaking-English; English spoke
D:spoken-English; English speaking
如图所示电路中,电源电压保持不变,闭合开关S后,电路正常工作,过了一会儿,灯L变亮,两只电表中只有一只电表示数变大.则下列判断正确的是( )
5+9=____