(2013·重庆高考)When I was little, my mother used to sit by my bed, me stories till I fell asleep.
A. having told
B. telling
C. told
D. to tell
网友回答
A. having told
(答案→)B. telling
C. told
D. to tell
解析：选B 考查非谓语动词。分析句子结构可知，my mother与tell之间为逻辑上的主动关系，故用动词ing形式。having done表示这个动作先于主句动作发生，与句意不符，可排除，故选B。