at in this way, the present situation about birds flue doesn’t seem so disappointing.
A. Looking
B. Looked
C. Having looked
D. To look
网友回答
@@A. [email protected]@(答案→)B. [email protected]@C. Having [email protected]@D. To look
解析：
根据“分词短语作状语，其逻辑主语须与主句的主语保持一致”的原则，因主语the present situation与look at 之间为被动关系，故答案为B。