[求助]2003.08/语法题31道

winnie_he9

31. Some ways in which lizards different from snake are in having ear openings, moveable eyelids, and less flexible jaws. >>

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答案：B. different: differ

分析：定语从句还原lizards differ from snakes in some ways， 用different就导致定语从句没有动词谓语； 注意openings是可数名词。

请问：C (in having)的in 是否多余？因为，前面有in which了．谢谢！