It is a pity that none of the stopped the poor man lying there, begging.
A. passer-bys; to help
B. passers-by; helping
C. passer-bys; helping
D. passers-by; to help
网友回答
A. passer-bys; to help
B. passers-by; helping
C. passer-bys; helping
(答案→)D. passers-by; to help
解析：passer-by的复数要在passer后加s，不定式表示动作的目的方向等，现在分词表示正在进行的动作，根据题意选D。遗憾的是过往的行人没有一个停下来帮助那个躺在那儿乞讨的可怜的男人。