27. C
$27. It\_\_\_\_\_ have been Tom that parked the car here, as he is the only one with a car.$
参考答案
C
2009_上海卷
27. C
$27. It\_\_\_\_\_ have been Tom that parked the car here, as he is the only one with a car.$
C
【答案】C。
【解析】由后面as引导的原因状语从句可知说话者对汤姆停车一事非常肯定,故C项伟最佳答案。