对称三相电路角接时，线电流比对应的相电流（）。
A.同相位；
B.超前30°；
C.滞后30°；
D.滞后120°。
参考答案：C
My son __________ his clock when I went to get a cup I __________ in his study.
A．was winding up; had left
B．would up; had forgotten
C．had wounded; left
D．was winding up; forgot
分析《伤逝》中子君形象。
