问题
选择题
— What’s the matter with you?
—______the heavy suitcase, my waist was hurt unexpectedly.
A．Carrying
B．Carried
C．While carrying
D．While I was carrying
答案
答案：B
考查非谓语动词。句中逻辑主语为my waist，与carry为被动关系，故用过去分词作状语，选B。