问题补充:
Mrs. Green went back home hurriedly, where her two little twins were crying, they were hungry.
A. said
B. saying
C. to say
D. having said
答案:
A. said
(答案→)B. saying
C. to say
D. having said
解析:考查非谓语动词。现在分词做伴随状语,说明crying的伴随动作。而cry与say是同时发生的,无需用完成式。