of danger in the street at night,she had to go home with a friend her.
A warned;followed
B warning;following
C having warned;following
D having been warned;following
网友回答
解析：第一空填having been warned表示已经被警告过，是被动语态的伴随情况，第二空填following修饰friend，做定语，表示朋友陪伴着她，是主动关系，句意是：被警告晚上街上危险以后，她只好在朋友的陪伴下回家。选D。