15. A group of children around the old man, listening to him telling the story and they when it came to something really exciting.
A. were gathered; held their breaths
B. gathered; held their breath
C. gathered; held their breaths
D. were gathered; held their breath
网友回答
A. were gathered; held their breaths
(答案→)B. gathered; held their breath
C. gathered; held their breaths
D. were gathered; held their breath
解析：可联系客服索取此答案。