Fortunately somebody who happened to be passing by called the emergency aid the traffic accident occurred.
A. hurriedly
B. quickly
C. immediately
D. shortly
网友回答
A. hurriedly
B. quickly
(答案→)C. immediately
D. shortly
解析：本题考查连词。根据句意句中需要填连词，选择项中只有immediately一……就……可作连词，故选C。