in a friendly way, their quarrel came to an end.
A. Being settled
B. Settled
C. Settling
D. Having settled
网友回答
A. Being settled
(答案→)B. Settled
C. Settling
D. Having settled
解析：考察分词用法。Their quarrel与settle构成被动关系，使用过去分词的形式表示被动。句意：用一种友好的方法处理，他们的争吵结束了。故B正确。