【题目】I looked up and noticed a snake ______ its way up the tree to catch its breakfast.
A.to wind
B.wind
C.winding
D.wound

【答案】C
【解析】本题考查现在分词作宾语补足语。句意：我抬头,注意到一条蛇正在蜿蜒前行去抓自己的早餐。wind与snake之间为主动关系且此动作正在进行，用现在分词，此处作宾语补足语，故选C。