经过点P（2，-3）作圆（x+y）2+y2=25的弦AB，使点P为弦AB的中点，则弦AB所在直线方程为（）

A、<Object: word/embeddings/oleObject2.bin>

B、<Object: word/embeddings/oleObject3.bin>

C、<Object: word/embeddings/oleObject4.bin>

D、<Object: word/embeddings/oleObject5.bin>