— Do you believe there are aliens?
— I’m afraid not. I don’t think aliens in space.
A. can find
B. can found
C. can be found
D. can be founded
网友回答
A. can find
B. can found
(答案→)C. can be found
D. can be founded
解析：本题考察的是特殊疑问句，其结构为主语+be done，，故选符合题意，故选答案为C