过去进行时态和过去完成进行时的区别After walking for ten minutes, she suddenly realized that she_____in the wrong direction. A.was walking B.has been walking C.had been walking D.walked这个题答案选A,但为什么C不行?

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过去进行时态和过去完成进行时的区别After walking for ten minutes, she suddenly realized that she_____in the wrong direction. A.was walking B.has been walking C.had been walking D.walked这个题答案选A,但为什么C不行?

过去进行时态和过去完成进行时的区别After walking for ten minutes, she suddenly realized that she_____in the wrong direction. A.was walking B.has been walking C.had been walking D.walked这个题答案选A,但为什么C不行?
过去进行时态和过去完成进行时的区别
After walking for ten minutes, she suddenly realized that she_____in the wrong direction.
A.was walking B.has been walking C.had been walking D.walked
这个题答案选A,但为什么C不行?

过去进行时态和过去完成进行时的区别After walking for ten minutes, she suddenly realized that she_____in the wrong direction. A.was walking B.has been walking C.had been walking D.walked这个题答案选A,但为什么C不行?
因she是在walk的过程中realized她错了方向的!所以用进行时来表达过程中发生的事情.

不为什么