题目

直线l将圆x2＋y2－2x－4y＝0平分，且与直线x＋2y＝0平行，直线l的方程为 () A．2x–y＝0  B．2x–y–2＝0       C．x+2y–3＝0       D．x+2y–5=0 答案：D—What would you like to eat ?—I don’t mind . __________ what you have .A．AnythingB．SomethingC．NothingD．Everything