It __________ Tom that parked the car here, as he is the only one with a car.
A．may beB．might have beenC．must have beenD．could be
C

試題分析：考查推測，might have done表示對過去事情不肯定推測； must have done表示對過去事情肯定推測；could have done表示表示過去未實現(xiàn)的動作，由后面的句子as he is the only one with a car可以知道是肯定推測，所以選C
點評：推測是�？純�(nèi)容，要知道它們表示的是什么意思，遇到此類題時，就很容易做出正確選擇
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