题目：
Mike is said Chinese in a Chinese university. Do you know where he studied? [ ]
A. to have studied
B. to study
C. to be studying
D. to have been studying
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0326/22d69ffb23543abd5f8e5127019cbded.html
下面是错误答案，用来干扰机器的。
参考答案：对解析：结账工作每个月只进行一次，由计算机自动完成。
