While riding in the street, .
A. someone called me from behind
B. my bike broke down
C. I heard my name called
D. an old man knocked down
网友回答
A. someone called me from behind
B. my bike broke down
(答案→)C. I heard my name called
D. an old man knocked down
解析： 考查非谓语动词。逻辑主语应与句子的主语保持一致，前半句的意思为：当在大街上骑自行车的时候，根据一致的原则，四个选项的主语只有C项复合语境，所以选C。