单选题 —Tom, it is careless of you to have left your key in the lock hole of your car.
—______ So I did. I might have my car stolen.

【正确答案】 C
【答案解析】[考点] 表达惊讶的用语
[解析] 从第一句话知道“车钥匙没有取出来就下了车”，而且从后面的I might have it stolen可知这里应该表示惊讶和后悔的感情，故选C项。